Kemal Pradana Putra, Dian Ratih L, Hesty Utami R, Rita Novariani, and Natasja R Kandou. “Survival Analysis and Risk Factors for COVID-19 Patients at Koja Hospital”. Window of Health : Jurnal Kesehatan 7, no. 2 (April 25, 2024): 176-186. Accessed November 24, 2024. http://103.133.36.92/index.php/woh/article/view/773.