Saenrat, Siriporn, Vipaporn Poovatanakul, Sakchai Nirunthawee, and Kosol Meekun. “Risk Management Model of English Program Private Schools in Bangkok”. Journal of Faculty of Humanities and Social Sciences Thepsatri Rajabhat University 14, no. 2 (August 25, 2023): 89–108. accessed December 8, 2025. https://so01.tci-thaijo.org/index.php/truhusocjo/article/view/262562.