Kongsuk, W., K. Rujithamrongkul, and B. Kumboon. “The Analysis of Path Relationship of Factors Influencing The Efficiency of Corporate Income Tax Collection”. Ph.D. In Social Sciences Journal, vol. 9, no. 2, Aug. 2019, pp. 307-21, https://so05.tci-thaijo.org/index.php/phdssj/article/view/112375.