GWIAZDA, Aleksander. System Approach Concept as Teaching Tool of Strategic Management Fundamentals. Edukacja Ekonomistów i Menedżerów, [S. l.], v. 27, n. 1, p. 83–98, 2013. DOI: 10.5604/01.3001.0009.6296. Disponível em: https://econjournals.sgh.waw.pl/EEiM/article/view/1626. Acesso em: 22 lis. 2024.