Sorrararittichingchai, Vorrachai, Sumit Suwan, and Panithan Cheon-Aksorn. 2018. “Situation and Effects of International Migration in Samut Sakhon Related to the National Security”. NIDA Development Journal 58 (1):123-45. https://so04.tci-thaijo.org/index.php/NDJ/article/view/117773.