Abhiratano, Phramaha Jinkamon, Techatat Paksangkhane, and Taweesak Khaibut. 2020. “Exertion Implementation of Civil Servats in Muang Loei district, Loei province”. Journal of Modern Learning Development 5 (5):298-308. https://so06.tci-thaijo.org/index.php/jomld/article/view/244377.