Jampangam, Munin, and Urai Sutthiyaem. “The The Relationship between Work Stress and Administrative Competency of School Administrators under the Office of Ayutthaya Primary Educational Service Area 2”. Mahachula Academic Journal 13, no. 1 (April 22, 2026): 132–142. accessed September 20, 2026. https://so04.tci-thaijo.org/index.php/JMA/article/view/287215.