Anisa, S., M. Mardhatillah, and Y. I. Persada. “The Influence of Bullying on The Development of Self-Confidence of Grade 4 Students at Elementary School 1 Gondanglegi”. Jurnal Ilmiah Teunuleh , vol. 5, no. 1, Mar. 2024, pp. 39-46, doi:10.51612/teunuleh.v5i1.156.