Donna, Bella, Endang Suparniati, Madelina Ariani, and Rossi Sanusi. “Disaster Public Health Surveillance Response System, Yogyakarta Indonesia”. Online Journal of Public Health Informatics 6, no. 1 (March 9, 2014). Accessed April 19, 2024. https://ojphi.org/ojs/index.php/ojphi/article/view/5076.