Theses on a related topic (having the same keywords):
marketingovy mix, nabidka, marketing sluzeb, sluzby, nakladyKeywords ordered alphabetically | Keywords ordered by occurrence rate
1351.
Wróblová, Laura
Faculty: School of Business Administration in Karvina
Year: 2015, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Návrh podnikové strategie firmy JANDA-DENTAL a.s.
Faculty: School of Business Administration in Karvina
Year: 2015, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Návrh podnikové strategie firmy JANDA-DENTAL a.s.
1352.
Zábojníková, Michaela
Faculty: Faculty of Philosophy and Science in Opava
Year: 2014, studies completed, degree conferred: Bc.
Programme/field: Human Studies / English in combination with another discipline, Library Science in combination with another discipline
Bachelor's thesis defence: (Ne)tradiční služby veřejných knihoven
Faculty: Faculty of Philosophy and Science in Opava
Year: 2014, studies completed, degree conferred: Bc.
Programme/field: Human Studies / English in combination with another discipline, Library Science in combination with another discipline
Bachelor's thesis defence: (Ne)tradiční služby veřejných knihoven
1353.
Zagolová, Martina
Faculty: Faculty of Philosophy and Science in Opava
Year: 2012, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Spa Management and Tourism
Bachelor's thesis defence: Aplikace prvků marketingového mixu v Hotelu Praha
Faculty: Faculty of Philosophy and Science in Opava
Year: 2012, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Spa Management and Tourism
Bachelor's thesis defence: Aplikace prvků marketingového mixu v Hotelu Praha
1354.
Zahradník, Adam
Faculty: School of Business Administration in Karvina
Year: 2014, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Multi-level marketing společnosti FM Group World
Faculty: School of Business Administration in Karvina
Year: 2014, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Multi-level marketing společnosti FM Group World
1355.
Zajíček, Šimon
Faculty: School of Business Administration in Karvina
Year: 2023, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Bachelor's thesis defence: Marketingová komunikace vybrané firmy | Theses on a related topic
Faculty: School of Business Administration in Karvina
Year: 2023, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Bachelor's thesis defence: Marketingová komunikace vybrané firmy | Theses on a related topic
1356.
Zajíčková, Lucie
Faculty: School of Business Administration in Karvina
Year: 2017, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Využití prvků marketingového mixu pro efektivní nákup a prodej v obchodní společnosti
Faculty: School of Business Administration in Karvina
Year: 2017, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Využití prvků marketingového mixu pro efektivní nákup a prodej v obchodní společnosti
1357.
Zakucia, Tomáš
Faculty: School of Business Administration in Karvina
Year: 2022, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Marketing produktů ve videoherním průmyslu | Theses on a related topic
Faculty: School of Business Administration in Karvina
Year: 2022, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Marketing produktů ve videoherním průmyslu | Theses on a related topic
1358.
Zápařková, Klára
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Analýza marketingového mixu v cestovní kanceláři Mariva tour Vsetín
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Analýza marketingového mixu v cestovní kanceláři Mariva tour Vsetín
1359.
Zapletalíková, Lucie
Faculty: School of Business Administration in Karvina
Year: 2020, studies terminated for failure to fulfill study requirements
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Economy of Tourism)
Bachelor's thesis defence: Spokojenost klientů s nabídkou služeb LH Hotelu Jana
Faculty: School of Business Administration in Karvina
Year: 2020, studies terminated for failure to fulfill study requirements
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Economy of Tourism)
Bachelor's thesis defence: Spokojenost klientů s nabídkou služeb LH Hotelu Jana
1360.
Zapletalová, Alena
Faculty: School of Business Administration in Karvina
Year: 2016, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Marketingová komunikace Vinařství Zapletal Valtice
Faculty: School of Business Administration in Karvina
Year: 2016, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Marketingová komunikace Vinařství Zapletal Valtice
1361.
Zatloukalová, Ivana
Faculty: School of Business Administration in Karvina
Year: 2014, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Metody hodnocení efektivnosti podniku zaměřené na srovnání přístupu k vedení bankrotu právnických a fyzických osob z hlediska hodnocení financí
Faculty: School of Business Administration in Karvina
Year: 2014, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Metody hodnocení efektivnosti podniku zaměřené na srovnání přístupu k vedení bankrotu právnických a fyzických osob z hlediska hodnocení financí
1362.
Zatloukalová, Miroslava maiden name: Hradečná
Faculty: School of Business Administration in Karvina
Year: 2024, studies under way
Programme/field: Economics and Management / Trade and Marketing
Master's thesis defence: Mystery shopping v retailovém bankovnictví
Faculty: School of Business Administration in Karvina
Year: 2024, studies under way
Programme/field: Economics and Management / Trade and Marketing
Master's thesis defence: Mystery shopping v retailovém bankovnictví
1363.
Zavadil, Lukáš
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Budování marketingové strategie restaurace U Skleničky
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Budování marketingové strategie restaurace U Skleničky
1364.
Zavadil, Lukáš
Faculty: School of Business Administration in Karvina
Year: 2011, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Budování marketingové koncepce EuroAgentur hotelu Atrium****
Faculty: School of Business Administration in Karvina
Year: 2011, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Budování marketingové koncepce EuroAgentur hotelu Atrium****
1365.
Závadová, Marie
Faculty: School of Business Administration in Karvina
Year: 2012, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Možnosti zkvalitnění služeb na jízdárně Skalický dvůr
Faculty: School of Business Administration in Karvina
Year: 2012, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Možnosti zkvalitnění služeb na jízdárně Skalický dvůr
1366.
Zbíralová, Kateřina
Faculty: School of Business Administration in Karvina
Year: 2016, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Velká Británie - oblíbená destinace v cestovním ruchu
Faculty: School of Business Administration in Karvina
Year: 2016, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Velká Británie - oblíbená destinace v cestovním ruchu
1367.
Zbořilová, Martina
Faculty: School of Business Administration in Karvina
Year: 2014, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Marketingový mix STUDIA FELIX
Faculty: School of Business Administration in Karvina
Year: 2014, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Marketingový mix STUDIA FELIX
1368.
Zedková, Adriana
Faculty: Faculty of Philosophy and Science in Opava
Year: 2018, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Spa Management and Tourism
Bachelor's thesis defence: Analýza spokojenosti zákazníků se službami na hotelu Vega*** Superior v Luhačovicích
Faculty: Faculty of Philosophy and Science in Opava
Year: 2018, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Spa Management and Tourism
Bachelor's thesis defence: Analýza spokojenosti zákazníků se službami na hotelu Vega*** Superior v Luhačovicích
1369.
Zelinská, Johana
Faculty: School of Business Administration in Karvina
Year: 2012, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Návrh marketingové firemní strategie
Faculty: School of Business Administration in Karvina
Year: 2012, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Návrh marketingové firemní strategie
1370.
Zemanová, Markéta
Faculty: School of Business Administration in Karvina
Year: 2011, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Analýza služeb cestovního ruchu na vodních nádržích Moravskoslezského kraje
Faculty: School of Business Administration in Karvina
Year: 2011, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Analýza služeb cestovního ruchu na vodních nádržích Moravskoslezského kraje
1371.
Zezulák, Jan
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Využití soustavy řízení Tomáše a J. A. Bati
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Využití soustavy řízení Tomáše a J. A. Bati
1372.
Zezulová, Kateřina
Faculty: School of Business Administration in Karvina
Year: 2015, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Marketingová komunikace společnosti Vitaminátor s.r.o.
Faculty: School of Business Administration in Karvina
Year: 2015, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Marketingová komunikace společnosti Vitaminátor s.r.o.
1373.
Zlámalová, Eva
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Marketingový mix společnosti Oriflame
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Marketingový mix společnosti Oriflame
1374.
Zlámalová, Marie
Faculty: School of Business Administration in Karvina
Year: 2016, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Struktura zákazníků a jejich spokojenost se službami v hotelu Vyhlídka **** Luhačovice
Faculty: School of Business Administration in Karvina
Year: 2016, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Struktura zákazníků a jejich spokojenost se službami v hotelu Vyhlídka **** Luhačovice
1375.
Zluková, Katarína
Faculty: School of Business Administration in Karvina
Year: 2012, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Analýza poskytovaných doplnkových služieb hotela Patria na Štrbskom Plese
Faculty: School of Business Administration in Karvina
Year: 2012, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Analýza poskytovaných doplnkových služieb hotela Patria na Štrbskom Plese
1376.
Zorychtová, Michaela
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Marketingový mix ve službách
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Marketingový mix ve službách
1377.
Zubajová, Hana
Faculty: School of Business Administration in Karvina
Year: 2011, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Marketingový Mix firmy AL - VO ATELIÉR s.r.o.
Faculty: School of Business Administration in Karvina
Year: 2011, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Marketingový Mix firmy AL - VO ATELIÉR s.r.o.
1378.
Zůbek, Libor
Faculty: School of Business Administration in Karvina
Year: 2013, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Návrh marketingové strategie společnosti Mironet.cz a. s.
Faculty: School of Business Administration in Karvina
Year: 2013, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Návrh marketingové strategie společnosti Mironet.cz a. s.
1379.
Zůbek, Libor
Faculty: School of Business Administration in Karvina
Year: 2015, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Marketingový mix telefonních výrobků DOOGEE distribuovaných společností Mironet, a.s. na českém trhu
Faculty: School of Business Administration in Karvina
Year: 2015, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Marketingový mix telefonních výrobků DOOGEE distribuovaných společností Mironet, a.s. na českém trhu
1380.
Zubík, Adam
Faculty: School of Business Administration in Karvina
Year: 2021, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Marketingový mix ve službách | Theses on a related topic
Faculty: School of Business Administration in Karvina
Year: 2021, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Marketingový mix ve službách | Theses on a related topic
1381.
Žáček, David
Faculty: School of Business Administration in Karvina
Year: 2018, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Business Economics in Trade and Services
Bachelor's thesis defence: Kvalita služeb vybrané společnosti
Faculty: School of Business Administration in Karvina
Year: 2018, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Business Economics in Trade and Services
Bachelor's thesis defence: Kvalita služeb vybrané společnosti
1382.
Žáčková, Nikol
Faculty: School of Business Administration in Karvina
Year: 2017, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Ekonomický pohled na předání rodinného podniku a jeho výzvy
Faculty: School of Business Administration in Karvina
Year: 2017, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Ekonomický pohled na předání rodinného podniku a jeho výzvy
1383.
Žáková, Lucie
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Marketing města Uherské Hradiště
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Marketing města Uherské Hradiště
1384.
Žiačková, Veronika
Faculty: School of Business Administration in Karvina
Year: 2011, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Business Economics in Trade and Services
Bachelor's thesis defence: Vymedzenie nákladových a výnosových položiek výrobnej účtovnej jednotky vo väzbe na finančné účtovníctvo
Faculty: School of Business Administration in Karvina
Year: 2011, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Business Economics in Trade and Services
Bachelor's thesis defence: Vymedzenie nákladových a výnosových položiek výrobnej účtovnej jednotky vo väzbe na finančné účtovníctvo
1385.
Žiaranová, Lenka
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Analýza konkurenčnej pozície JŠ TOP School v Moravskoslezskom kraji
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Marketing and Management
Master's thesis defence: Analýza konkurenčnej pozície JŠ TOP School v Moravskoslezskom kraji
1386.
Žila, Michal maiden name: Žila
Faculty: School of Business Administration in Karvina
Year: 2021, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Marketingová strategie vybraného podniku | Theses on a related topic
Faculty: School of Business Administration in Karvina
Year: 2021, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Marketingová strategie vybraného podniku | Theses on a related topic
1387.
Žilinčíková, Zuzana
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Controllingová činnosť v období krízy
Faculty: School of Business Administration in Karvina
Year: 2010, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Marketing and Management
Bachelor's thesis defence: Controllingová činnosť v období krízy
1388.
Žilka, Jan
Faculty: School of Business Administration in Karvina
Year: 2023, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Návrh marketingové strategie firmy | Theses on a related topic
Faculty: School of Business Administration in Karvina
Year: 2023, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Marketing and Trade)
Master's thesis defence: Návrh marketingové strategie firmy | Theses on a related topic
1389.
Žiško, Dušan
Faculty: School of Business Administration in Karvina
Year: 2012, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Analýza nástrojů marketingového mixu ve vybrané firmě
Faculty: School of Business Administration in Karvina
Year: 2012, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics in Trade and Services
Master's thesis defence: Analýza nástrojů marketingového mixu ve vybrané firmě
1390.
Žišková, Kateřina
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Economy of Tourism
Bachelor's thesis defence: Marketingový výzkum spokojenosti návštěvníků Muzea Beskyd
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Economy of Tourism
Bachelor's thesis defence: Marketingový výzkum spokojenosti návštěvníků Muzea Beskyd
1391.
Žižková, Kristýna
Faculty: School of Business Administration in Karvina
Year: 2014, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Komunikační mix lyžařského střediska Ski Karlov
Faculty: School of Business Administration in Karvina
Year: 2014, studies completed, degree conferred: Bc.
Programme/field: Gastronomy, Hotel Management and Tourism / Hotel Industry
Bachelor's thesis defence: Komunikační mix lyžařského střediska Ski Karlov
1392.
Žmolíková, Petra
Faculty: School of Business Administration in Karvina
Year: 2019, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Accounting and Taxes)
Master's thesis defence: Využití ekonomických nástrojů v řízení obchodního podniku
Faculty: School of Business Administration in Karvina
Year: 2019, studies completed, degree conferred: Ing.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Accounting and Taxes)
Master's thesis defence: Využití ekonomických nástrojů v řízení obchodního podniku
1393.
Žváček, Karel
Faculty: School of Business Administration in Karvina
Year: 2019, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Hotel Management)
Bachelor's thesis defence: Spokojenost klientů s nabídkou restaurace
Faculty: School of Business Administration in Karvina
Year: 2019, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Business Economics and Management (combination/specialization: Hotel Management)
Bachelor's thesis defence: Spokojenost klientů s nabídkou restaurace
1394.
Žvaková, Andrea
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Economy of Tourism
Bachelor's thesis defence: Hurá do Beskyd - příprava produktových balíčků pro různé cílové skupiny
Faculty: School of Business Administration in Karvina
Year: 2009, studies completed, degree conferred: Bc.
Programme/field: Economics and Management / Economy of Tourism
Bachelor's thesis defence: Hurá do Beskyd - příprava produktových balíčků pro různé cílové skupiny