Tudkuea, Tanyakorn, Kasetchai Laeheem, and Ruthaychonnee Sittichai. 2019. “A Study of Problems and Causes for Cyber Bullying Behaviors Among Secondary School Students in the Three Southern Border Provinces”. Parichart Journal 32 (2):156-67. https://so05.tci-thaijo.org/index.php/parichartjournal/article/view/146814.