Somsa, Supan. 2020. “Political Participation of the People in the Area of Khong Chiam Sub–district Administrative Organization, Khong Chiam District, Ubon Ratchathani Province”. Academic MCU Buriram Journal 5 (1):84-94. https://so06.tci-thaijo.org/index.php/ambj/article/view/241114.