Ratsirijan, Preechaphat, Nitwadee Jirarotephinyo, and Sataporn Pruettikul. 2023. “FACTORS AFFECTING ADMINISTRATION OF PRIVATE KINDERGARTENS SCHOOL IN BANGKOK BECOME SCHOOL OF INNOVATION”. Journal of Social Science and Cultural 7 (4):112-27. https://so06.tci-thaijo.org/index.php/JSC/article/view/263237.