Parwanto, E. 2021. Virus Corona (SARS-CoV-2) penyebab COVID-19 kini telah bermutasi. Jurnal Biomedika dan Kesehatan. 4, 2 (Jun. 2021), 47–49. DOI:https://doi.org/10.18051/JBiomedKes.2021.v4.47-49.