Laeheem, Kasetchai. “The Results of Screening for Students at Risk of Having Bullying Behavior in Islamic Private Schools, Yala Province”. Journal of Liberal Arts Prince of Songkla University 11, no. 1 (June 29, 2019): 73-99. Accessed September 22, 2021. https://so03.tci-thaijo.org/index.php/journal-la/article/view/199894.