Nasution, Z., Sigalingging, G., Ginting, M. and Gulo, A. (2023) “Hubungan Pengetahuan Lansia Dengan Status Vaksinasi Covid-19”, Health Information : Jurnal Penelitian, 15(1), p. e969. Available at: https://myjurnal.poltekkes-kdi.ac.id/index.php/hijp/article/view/969 (Accessed: 3 October 2024).