Chaisongkram, K., C. . Wongkhrua, A. . Ariya, C. . Kamrach, and P. . Yongpaknam. “The Analysis of Factors Affecting the Concentration of Commercial Banks in Thailand”. Journal of Accountancy and Management, vol. 12, no. 2, Mar. 2020, pp. 54-70, https://so02.tci-thaijo.org/index.php/mbs/article/view/223566.