MCALPIN, D. S.; LUNENBURG, F. C.; SLATE, J. R. School level and urbanicity differences in drilled plans for evacuation, lockdown, and shelter-in-place scenarios: A national analysis. American Journal of Education and Learning, [S. l.], v. 8, n. 1, p. 22–38, 2023. DOI: 10.55284/ajel.v8i1.844. Disponível em: https://onlinesciencepublishing.com/index.php/ajel/article/view/844. Acesso em: 2 may. 2024.