DIAS, Gustavo Nogueira et al. Violence, trafficking and drug use in public schools in Belém -Pará - Brazil. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 9, n. 5, p. 652–667, 2021. DOI: 10.31686/ijier.vol9.iss5.3133. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/3133.. Acesso em: 22 nov. 2024.