Hijrianti, Udi Rosida. “Validasi Modul Peduli: Pelatihan Asertivitas Anti-Bullying”. Altruis: Journal of Community Services 2, no. 3 (September 30, 2021). Accessed July 3, 2024. https://ejournal.umm.ac.id/index.php/altruis/article/view/18130.