SEKUŁA, P. Program Management According to PMI. Regional Barometer. Analyses & Prognoses, [S. l.], v. 12, n. 2, p. 147–155, 2014. DOI: 10.56583/br.1066. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1066. Acesso em: 8 nov. 2024.