NASUTION, Z.; SIGALINGGING, G.; GINTING, M.; GULO, A. Hubungan Pengetahuan Lansia Dengan Status Vaksinasi Covid-19. Health Information : Jurnal Penelitian, [S. l.], v. 15, n. 1, p. e969, 2023. Disponível em: https://myjurnal.poltekkes-kdi.ac.id/index.php/hijp/article/view/969. Acesso em: 3 oct. 2024.