Purisarn, Kularb. “The Development on in structional Leadership Model of the Administrators in the Digital Era under the Secondary Educational Service Office Area Mahasarakham”. College of Asian Scholar Journal 16, no. 2 (June 30, 2026): 68–77. accessed September 10, 2026. https://so01.tci-thaijo.org/index.php/CAS/article/view/289170.