Meenongwah, Suchao, and Asst. Prof. Dr. Chuthamas Chompha. “An Appropriate Institutionalization and Model in the Existence of the Sub-District Chief and Village Headman in Attitude of Key Personnel of Ubon Ratchathani’s Sub-District Municipality”. Journal of Research and Development Institute Rajabhat Maha Sarakham University 6, no. 1 (June 30, 2019): 441–454. Accessed April 28, 2024. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211925.