Febrianti, Thresya, and Qurratu Falmuriat. “A SYSTEMATIC REVIEW AND META-ANALYSIS: RISK FACTORS OF MORTALITY COVID-19: Sistematik Review Dan Meta-Analisis: Faktor Risiko Kematian COVID-19”. Jurnal Berkala Epidemiologi 12, no. 2 (May 30, 2024): 203–213. Accessed December 30, 2024. https://e-journal.unair.ac.id/JBE/article/view/44629.