บุญรอด ศุภรา, and ศิริภิรมย์ วลัยพร. “ SAMUTSONGKHRAM”. An Online Journal of Education 11, no. 4 (December 20, 2018): 791–803. Accessed April 20, 2024. https://so01.tci-thaijo.org/index.php/OJED/article/view/161414.