Loonsila, S., T. Yiumsaeng, and C. Chantarasombat. “Developing Model of School Curriculum Management under the Province Administration Organization (Nakhonchaiburin)”. Journal of Research and Development Institute Rajabhat Maha Sarakham University, vol. 7, no. 1, June 2020, pp. 193-06, https://so03.tci-thaijo.org/index.php/rdirmu/article/view/245098.