GRZEBIENIAK, A. Factors Influencing the Improved Market Standing of Insurance Companies. Olsztyn Economic Journal, [S. l.], v. 9, n. 1, p. 57–69, 2014. DOI: 10.31648/oej.3165. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/3165. Acesso em: 19 mai. 2024.