WANG, Yunpeng. Study on the Underwriting Circle of Property-Liability Insurance Market under Competition. Advances in Social Sciences Research Journal, [S. l.], v. 4, n. 6, 2017. DOI: 10.14738/assrj.45.2893. Disponível em: https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/2606. Acesso em: 28 may. 2026.