Carpenter, MS, Holly J., and David A. Edwards, PhD. “Improving Notification and Call-up of Key Players in Emergencies through Use of a Commercial Emergency Notification System”. Journal of Emergency Management 8, no. 3 (May 1, 2010): 37–45. Accessed May 2, 2024. https://wmpllc.org/ojs/index.php/jem/article/view/1329.