KUJAWSKA, J. EFFICIENCY OF HEALTHCARE SYSTEMS IN EUROPEAN COUNTRIES - THE DEA NETWORK APPROACH. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 19, n. 1, p. 60–70, 2018. DOI: 10.22630/MIBE.2018.19.1.6. Disponível em: https://qme.sggw.edu.pl/article/view/2539. Acesso em: 21 lis. 2024.