Purbosari, Ira, dan Muhammad Wahyono. “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, vol. 4, no. 3, November 2024, hlm. 313-9, https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/574.