Petchsakulwong, Pongpitch, and Naratip Jansakul. “Board of Directors and Profitability Ratio of Thai Non-Life Insurers”. Kasetsart Journal of Social Sciences 39, no. 1 (December 7, 2017): 122–128. Accessed May 6, 2024. https://so04.tci-thaijo.org/index.php/kjss/article/view/242441.