RÓJ, Justyna. PRODUCTIVITY OF UNIVERSITY HOSPITALS IN POLAND: A MALMQUIST-INDEX APPROACH. Ekonomika, [S. l.], v. 89, n. 4, p. 131–142, 2010. DOI: 10.15388/Ekon.2010.0.961. Disponível em: https://www.journals.vu.lt/ekonomika/article/view/961. Acesso em: 7 apr. 2025.