(Sakul Subhaddo), Phrakrupirotkitjathorn, Suddhipong Srivichai, and Somsak Boonpoo. 2020. “DEVELOPMENT OF SCHOOL ADMINISTRATORS ACCORDING TO SANGAHAVATTHU PRINCIPLES IN PRIMARY SCHOOLS UNDER BANGKOK METROPOLITAN ADMINISTRATION”. Journal of Educational Review Faculty of Education in MCU 7 (2):1-13. https://so02.tci-thaijo.org/index.php/EDMCU/article/view/241945.