KUPEC, Václav. Fluktuace a vztahy s veřejností. Communication Today, [S. l.], v. 1, n. 1, p. 133–143, 2025. DOI: 10.0000/sy3fm370. Disponível em: https://communicationtoday.fmk.ucm.sk/index.php/ct/article/view/240.. Acesso em: 19 apr. 2026.