R. Septinia dan D. Hasmono, “Covid-19 and Its Vaccine Development: A Narrative Review”, J. Sains. Kes, vol. 3, no. 6, hlm. 917–929, Nov 2024, Diakses: Sep 19, 2026. Tersedia pada: https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/520