Dr . Chawalit Kerdtip, Aomchai Vongmonta. Educational Management based on Sufficiency Economy Principle in Primary Schools under Office of Private Education Commission Southern Border Provinces, Thailand. Elementary Education Online [Internet]. 2023 Dec. 19 [cited 2024 Jul. 5];20(6):1122-9. Available from: https://ilkogretim-online.org./index.php/pub/article/view/5460