KRAKOWIAK, Piotr; ŁUKASZEWSKA, Barbara. Self-Esteem of Employees in Educational Institutions and Their Professional Work. Paedagogia Christiana, [S. l.], v. 35, n. 1, p. 273–294, 2016. DOI: 10.12775/PCh.2015.015. Disponível em: https://apcz.umk.pl/PCh/article/view/PCh.2015.015. Acesso em: 31 dec. 2025.