E. Ebhohimen, Israel, et al. “Mutation Pattern in the Receptor Binding Motif of SARS-Cov-2 Variants and the Effect on Molecular Interactions in Docked Ligand Complexes: doi.org 10.26538 Tjnpr V6i8.17”. Tropical Journal of Natural Product Research (TJNPR), vol. 6, no. 8, Aug. 2022, pp. 1262-7, https://tjnpr.org/index.php/home/article/view/1299.