Arslan, Hasan T., and Thomas Olsen. “A Model Based Approach to School Shootings: Every Second Counts!”. International Journal of Criminology and Sociology 5 (September 22, 2016): 162–171. Accessed April 18, 2024. https://www.lifescienceglobal.com/pms/index.php/ijcs/article/view/4096.