Vatฺtฺano (Fuengniam) P. P., B. Chamnisast, and S. Srivichai, “A MODEL OF SCHOOL ADMINISTRATION BASED ON SAPPURISADHAMMA 7 FOR SCHOOL ADMINISTRATORS UNDER OFFICE OF PRIMARY EDUCATION SERVICE AREA”, Education MCU, vol. 7, no. 2, pp. 27–38, Aug. 2020.