Atika Putri, A., Novitasari, Y. and Fadillah, S. 2021. Bullying behavior and its relationship to children’s self-esteem. Atfaluna Journal of Islamic Early Childhood Education. 4, 2 (Dec. 2021), 36-45. DOI:https://doi.org/10.32505/atfaluna.v4i2.3531.