SCHMIDT, Joanna. Professionalism in Management and Performance in Sports Organizations. Edukacja Ekonomistów i Menedżerów, [S. l.], v. 46, n. 4, p. 87–99, 2017. DOI: 10.5604/01.3001.0011.6463. Disponível em: https://econjournals.sgh.waw.pl/EEiM/article/view/1220. Acesso em: 18 maj. 2024.