Wongamonwit, Chutipon, Termsak Tongin, and Surapon Suyaprom. 2020. “ENCOURAGING OF POLITICAL ETHICS FOR LOCAL POLITICIANS IN NAKORN RATCHASIMA PROVINCE”. Journal of MCU Social Science Review 9 (4). Ayutthaya, Thailand:14-26. https://so03.tci-thaijo.org/index.php/jssr/article/view/245122.