Antibullying Interventions, Their Effects, and Lessons Learned: An Umbrella Review. SciELO Preprints, 2026. DOI: 10.1590/1982-4327e3607. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/15441. Acesso em: 13 maio. 2026.