@misc{Ryfa_Jakub_Determinants,
 author={Ryfa, Jakub},
 copyright={Biblioteka Główna Uniwersytetu Ekonomicznego w Poznaniu},
 howpublished={online},
 publisher={Uniwersytet Ekonomiczny w Poznaniu},
 language={eng},
 type={rozprawy doktorskie},
 title={Determinants of development and internationalization of Polish video game producers},
 keywords={indie game developers, game producers, game developers growth, game developers classification},
}