Phelps, JD, MPH, CEM, CBCP, Scot. “An Updated Hazard Vulnerability Analysis: A Value-Based Model”. Journal of Emergency Management 3, no. 5 (September 1, 2005): 37–41. Accessed April 4, 2025. https://wmpllc.org/ojs/index.php/jem/article/view/1726.