Wahyuniar, Lely, and Endahing Noor Iman Pustakasari. “Experience of Bullying Behavior in Students As Witnesses (Bystander Upstander) Students in South Jakarta City”. Jurnal Edusci 3, no. 1 (September 13, 2025): 1–16. Accessed May 27, 2026. https://annpublisher.org/ojs/index.php/edusci/article/view/892.