BATUBARA, Heppy Jelita Sari. Relationship Level Of Community Knowledge About Covid-19 Vaccination On Covid-19 Events In Polonia Medan Puskesmas 2021-2022. Science Midwifery, [S. l.], v. 10, n. 3, p. 2001–2007, 2022. DOI: 10.35335/midwifery.v11i1.581. Disponível em: https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/581. Acesso em: 1 may. 2026.