Nada Salsabilla, Muhammad Zulherawan. Upaya Guru SMAN 1 XIII Koto Kampar Dalam Pencegahan Bullying  Pada Kenakalan Remaja. JOCER [Internet]. 2026 Jun. 30 [cited 2026 Jul. 9];4(1):16-2. Available from: https://journal.tirtapustaka.com/index.php/jocer/article/view/285