LIVINGSTON, Christopher B.; GROMBLY, Amanda. Thinking About the Unthinkable: Active Shooter Preparedness in Library Environments. Library Leadership & Management, [S. l.], v. 35, n. 1, 2020. DOI: 10.5860/llm.v35i1.7426. Disponível em: https://llm.corejournals.org/llm/article/view/7426. Acesso em: 23 feb. 2025.