Simanjuntak N. Analisis Tingkat Pengetahuan Masyarakat Terhadap Perilaku Pencegahan COVID-19 di Kota Medan. Nommensen Journal of Medicine [Internet]. 27Aug.2022 [cited 24Apr.2024];8(1):43-6. Available from: https://jurnal.uhn.ac.id/index.php/medicine/article/view/740