Pisailert, Sirirat. “Building and Maintaining Pheu Thai Party’ Electoral Base in Chiang Rai Province During 2001-2019”. Political Science and Public Administration Journal 12, no. 2 (July 21, 2021): 97–122. Accessed May 4, 2024. https://so05.tci-thaijo.org/index.php/polscicmujournal/article/view/241102.