HAFFER, Rafał; GLIŃSKA-NEWEŚ, Aldona. EDITORIAL. Journal of Positive Management, [S. l.], v. 6, n. 4, p. 2, 2016. DOI: 10.12775/9129. Disponível em: https://apcz.umk.pl/JPM/article/view/9129. Acesso em: 5 feb. 2025.