Junaidi Lubis, Leni Indrayani, Julia Maria, and Muammar Rinaldi. “Socialization of Forms of Bullying Behavior at the Mulia Medan Education Foundation”. Outline Journal of Community Development 1, no. 3 (March 19, 2024): 67–72. Accessed October 4, 2025. https://journal.outlinepublisher.com/index.php/OJCD/article/view/191.