OSTRZYŻEK, Edyta; PIÓRO, Żaneta. Open day at The Siedlce University of Natural Sciences and Humanities. Management and Administration Journal, [S. l.], v. 32, n. 105, p. 243–244, 2023. Disponível em: https://czasopisma.uws.edu.pl/znadministracja/article/view/3229. Acesso em: 5 oct. 2024.