JANIAK, Małgorzata. The expansion of international hotel systems (IHS) as a research issue in Polish and foreign academic literature. In: MAKOWSKA-ISKIERKA, Marzena; WOJCIECHOWSKA, Jolanta (eds.). Percepcja turystyki w przestrzeni i w czasie pandemii COVID-19. Warsztaty z Geografii TuryzmuPoland: Lodz University Press,2022. v. 12p. 103–123. DOI: 10.18778/8220-907-5.06. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/789/chapter/1926. Acesso em: 15 feb. 2026.