หาญพัฒนชัยกูร ก. ., จิรัฐิเกรียงไกร ช., & เกษรสุวรรณ์ จ. . (2026). Factors Influencing Bullying Perpetration among Lower Secondary School Students in Pathum Thani Province. Journal of Health Science of Thailand, 35(2), 224–233. Retrieved from https://thaidj.org/index.php/JHS/article/view/17286