Sumbayak, Anastasia, Sangguana Marthen Koamesah, Prisca Pakan, and Sidarta Sagita. “The Correlation Between Level of Knowledge With Self Efficacy of COVID-19 Vaccination at Tarus Health Center, Kupang Regency”. Cendana Medical Journal 11, no. 1 (May 4, 2023): 68-76. Accessed December 5, 2024. https://ejurnal.undana.ac.id/index.php/CMJ/article/view/10590.