Siddhito พระสายสิทธิ์. “EDUCATIONAL ADMINISTRATION OF PHRAPARIYATTIDHAMMA SCHOOL UNDER GENERAL EDUCATION DEPARTMENT IN ROI ET PROVINCE”. Integrated Social Science Journal 1, no. 1 (April 30, 2021): 19. Accessed November 10, 2026. https://ojs.mbuslc.ac.th/index.php/issj/article/view/5.