บุญญะสิทธิ์ ก., แสวงศักดิ์ ร. ด. and เทพแสง ด. (2018) “Administrator Factors and Teacher Factors Affecting Quality School Management of Private Schools under Pathumthani Primary Educational Service Area Office”, Pathumthani University Academic Journal, 10(1), pp. 139–147. available at: https://so05.tci-thaijo.org/index.php/ptujournal/article/view/181058 (accessed: 29 September 2026).