Palee T, Thinsandee T. School Administration Guidelines Based on the Four Principles of Sangahavatthu by Administrators of Childdevelopment Center Under the Local Administrative Organization, Wapipathum District, Mahasarakham Province: School Administration Guidelines Based on the Four Principles of Sangahavatthu by Administrators of Childdevelopment Center Under the Local Administrative Organization, Wapipathum District, Mahasarakham Province. rtnb [internet]. 2024 Aug. 30 [cited 2025 May 29];6(2):106-18. available from: https://so07.tci-thaijo.org/index.php/rtnb/article/view/4564