Purba S, Ricky D. Tingkat Pengetahuan Masyarakat tentang Covid-19 di Lingkungan III Kel. Perdagangan III. JPPP [Internet]. 13Aug.2021 [cited 22Apr.2026];3(3):519-24. Available from: https://jurnal.globalhealthsciencegroup.com/index.php/JPPP/article/view/533