Sutriyawan, Agung, and Intan Permata Sari. “Perbedaan Focus Group Discussion Dan Brainstorming Terhadap Pencegahan Bullying Di Sekolah Menengah Pertama Negeri 2 Karangtengah ”. Window of Health : Jurnal Kesehatan 3, no. 1 (January 25, 2020): 038-048. Accessed May 9, 2025. https://jurnal.fkmumi.ac.id/index.php/woh/article/view/562.