Bullying behavior and its relationship to children’s self-esteem. Atfaluna Journal of Islamic Early Childhood Education, [S. l.], v. 4, n. 2, p. 36–45, 2021. DOI: 10.32505/atfaluna.v4i2.3531. Disponível em: https://journal.iainlangsa.ac.id/index.php/atfaluna/article/view/3531. Acesso em: 13 may. 2026.