Anggraini, N. B., and D. Listyorini. “S-D614G Mutation Reveals the Euro-America and East-Asia Origin SARS-CoV-2 Virus Spread in Indonesia”. Jurnal Riset Biologi Dan Aplikasinya, vol. 3, no. 2, Nov. 2021, pp. 45-53, doi:10.26740/jrba.v3n2.p45-53.