Lee, Yoon-Ha, Hyun-Cheol Seo, Won-Hwa Hong, and Ji-Soo Lee. “Analysis of Vulnerable Area for Emergency Medical Services in Flood Situation by Using Geographic Information System”. International Journal of Engineering & Technology 7, no. 4.38 (December 3, 2018): 1677–1679. Accessed May 3, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/29232.