Hongthong, Wannarak, Chonchakorn Wora-in, and Anucha Kornpuang. “Research and Development of Sufficiency School Effective Administrative Model”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 13, no. 1 (August 21, 2018): 105–118. Accessed April 26, 2024. https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/132845.