Khattiyasuwan, S. ., Watanawong, S. ., & Chimtragoon, C. . (2020). Administrative Process Differences among Secondary Educational Service Area Offices with different Learners’ Quality. Rajapark Journal, 14(33), 286–297. Retrieved from https://so05.tci-thaijo.org/index.php/RJPJ/article/view/241067