Narong W, Jumrasphan U, Chayayon P. 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 [internet]. 2018 Jul. 26 [cited 2026 Oct. 13];13(2):319-34. available from: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/227369