PANDYAK, Ihor. Modern strategies of highly competitive organization of hotel chain. Journal of Geography, Politics and Society, [S. l.], v. 6, n. 4, p. 72–76, 2016. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/JGPS/article/view/3682. Acesso em: 1 may. 2024.