Nguyễn Thúy Q. Associated factors of bullying victimization among Tien Chau secondary school students in Phuc Yen town, Vinh Phuc province. JHDS. 2018;2(01):1. Truy cập Tháng Sáu 10, 2026. https://jhds.invatech.com.vn/index.php/jhds/article/view/76