Purbosari, I., & Wahyono, M. (2022). Profil Pengetahuan dan Keyakinan Vaksinasi Covid-19 Aztrazeneca dan Sinovac sebagai Upaya Pencegahan Covid-19 pada Warga Surabaya: Profile of AztraZeneca and Sinovac Covid-19 Vaccination Knowledge and Belief as an Effort to Prevent Covid-19 in Surabaya. Jurnal Sains Dan Kesehatan, 4(3), 313–319. https://doi.org/10.25026/jsk.v4i3.1225