HAEDONG KIM; CARLSON, J.; SYDNEY NELSON. Towards a three-dimensional hardening of schools to promote effective school safety practices in the United States: A systematic review. Advances in Social Sciences Research Journal, [S. l.], v. 8, n. 8, p. 147–162, 2021. DOI: 10.14738/assrj.88.10614. Disponível em: http://804474.wannyin.cyou/index.php/ASSRJ/article/view/10614. Acesso em: 1 dec. 2024.