WIETESKA, Stanisław. The Trends for the Coefficient Combined Ratio in the Selected Insurance Companies for Property and Life Insurance Products in Poland in the Years 2002–2010. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], n. 296, p. 137–146, 2013. DOI: 10.18778/0208-6018.296.11. Disponível em: https://czasopisma.uni.lodz.pl/foe/article/view/22047. Acesso em: 5 dec. 2025.