Dungchaiyaphum, Sudarat, and Ganratchakan Lertamornsak. 2025. “Leadership of School Administrators that Affecting Academic Administration in the 21st century the Secondary Educational Service Area Office Nonthaburi 2”. Academic MCU Buriram Journal 10 (1):190-202. https://so06.tci-thaijo.org/index.php/ambj/article/view/281471.