GRMANOVÁ, Eva; PUKALA, Ryszard. Efficiency of insurance companies in the Czech Republic and Poland. Oeconomia Copernicana, [S. l.], v. 9, n. 1, p. 71–85, 2018. DOI: 10.24136/oc.2018.004. Disponível em: https://journals.economic-research.pl/oc/article/view/716. Acesso em: 2 mar. 2024.