Sutaryono, S., S. Andasari, and H. Kasjono. “Diagnosis and Epidemiology of Coronavirus (COVID-19) Outbreak in Indonesia”. Jurnal Teknologi Laboratorium, Vol. 9, no. 1, July 2020, pp. 49-57, doi:https://doi.org/10.29238/teknolabjournal.v9i1.222.