Sutaryono, Sutaryono, Sholikhah Andasari, and Heru Kasjono. “Diagnosis and Epidemiology of Coronavirus (COVID-19) Outbreak in Indonesia”. Jurnal Teknologi Laboratorium 9, no. 1 (July 2, 2020): 49-57. Accessed October 23, 2021. https://www.teknolabjournal.com/index.php/Jtl/article/view/222.