Zulvia Misykah, Dewi Sartika Panggabean, and Yasuli Bindulem. “Crisis Of Moral Education Causes Bullying At Elementary School”. International Journal of Advanced Research 1, no. 2 (August 30, 2024): 66–73. Accessed September 14, 2025. https://journal.outlinepublisher.com/index.php/ijar/article/view/260.