D. Hermayanti, A. Salsabila Teka, V. Nabila Putri, and Y. Dhea Elfita, “Level of Knowledge of the Omicron Variant of the Sars-Cov2 Virus of Medical Students at Muhammadiyah Malang University”, Kme, vol. 3, no. 2, pp. 162–177, Mar. 2023.