KOŻUCH, Artur Jacek. GROSS MARGIN AS A CATEGORY FOR EVALUATING THE EFFICIENCY OF PUBLIC SERVICE PROVISION. Management and Administration Journal, [S. l.], v. 56, n. 129, 2022. DOI: 10.34739/zn.2021.56.02. Disponível em: https://czasopisma.uws.edu.pl/znadministracja/article/view/2400. Acesso em: 5 oct. 2024.