Narong, W., Jumrasphan, U., & Chayayon, P. (2018). The Strategic Development of Achievement for The Medium-sized Primary Schools Under Office of the Basic Education Commission in the Northeast. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, 13(2), 319–334. Retrieved from https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/227369