ไวยครุฑ กายต์มณี. “The Problem and Obstruction of Prevention on Cambodian Illegal Immigration Case Study at Sakaeow Province”. Pathumthani University Academic Journal 11, no. 2 (December 30, 2019): 304–312. Accessed May 2, 2024. https://so05.tci-thaijo.org/index.php/ptujournal/article/view/219521.