Kongkaew C, Klinhom P. The Comparison of the Personnel Administration According to Brahmavihara 4 in Opportunity of School Administrators Expansion Schools Under Ratchaburi Primary Educational Service Area Office 2. jg-mcukk [internet]. 2024 Mar. 31 [cited 2026 Aug. 27];11(1):183-9. available from: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/264280