Wongruethaiwattana, Malai. 2021. “GUIDELINES OF THE DIGITAL AGE EDUCATION QUALITY ASSURANCE SYSTEM DEVELOPMENT OF SCHOOL ADMINISTRATORS EXPANSION EDUCATIONAL OPPORTUNITIES UNDER NAKHONSAWAN PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1”. Journal of Buddhist Anthropology 6 (5):123-39. https://so04.tci-thaijo.org/index.php/JSBA/article/view/248346.