Conterius, A.W.S. and Permatasari, H. 2023. Sistematic Review: Pengetahuan Vaksin Mempengaruhi Keraguan Lansia Menerima Vaksin Booster Covid 19. Jurnal Keperawatan. 15, 3 (Apr. 2023), 1179–1188. DOI:https://doi.org/10.32583/keperawatan.v15i3.1016.