Yansen, Mangapul P. Tambunan, and Rudy P. Tambunan. “Spatial Distribution of COVID-19 Vulnerable Areas in Tambora District, Jakarta Barat”. Jurnal Spatial Wahana Komunikasi dan Informasi Geografi 21, no. 1 (April 5, 2021): 1-11. Accessed April 29, 2025. http://103.8.12.212:33180/unj/index.php/spatial/article/view/20014.