Polsue, Ratchanee, Rungsan Singhaler, and Saowalak Kosolkitiamporn. 2016. “A Model of Political Participation Development for People in Roi-Ed Province”. Chophayom Journal 27 (February):175-80. https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/72135.