Gusman Lesmana, Wida Melani, & Dian Hikmah Br Tarigan. (2026). KONTRIBUSI GURU BK DALAM PENCEGAHAN PERILAKU BULLYING DI SEKOLAH. Jurnal Nirta : Studi Inovasi, 5(2), 134–142. https://doi.org/10.61412/jnsi.v5i2.406