“Mutation and Phylogenetic Analysis of Spike Glycoprotein of Indonesian Isolates of Severe-Acute-Respiratory-Syndrome-Coronavirus-2 (SARS-CoV-2)”. Majalah Kedokteran Bandung, vol. 53, no. 1, Mar. 2021, pp. 38–47, https://doi.org/10.15395/mkb.v53n1.2230.