Chaisrisuth , A. ., & Songklin , P. . (2020). Problems and Obstacles in Implementing of the Promotion of Supplementary Occupations Project under Her Royal Initiatives in Silalad District, Srisaket Province. Journal of Roi Et Rajabhat University, 14(1), 84–97. Retrieved from https://so03.tci-thaijo.org/index.php/reru/article/view/214798