Caroline, Chyntia. “Knowledge and Attitude Level of Medical Students from Universitas Sumatera Utara about The Importance of COVID-19 Vaccine”. JIMKI: Jurnal Ilmiah Mahasiswa Kedokteran Indonesia 10, no. 1 (November 15, 2022): 1-10. Accessed December 4, 2024. https://bapin-ismki.e-journal.id/jimki/article/view/509.