Somboonsil, Thidarut, Suwat Waranusat, and Chucheep Phuttaprasert. “A Structural Equation Model of Management Factors Educational Quality Development for Small Secondary Schools Under Educational Service Phichit”. Rajapark Journal 17, no. 51 (April 26, 2023): 18–34. Accessed May 20, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/258705.