Barus M, Saragih H, Sinurat E. Description Of Public Knowledge About The Covid-19 Pandemic In Semakata Medan 2020. Jurnal EduHealth [Internet]. 2023 Feb. 21 [cited 2024 Dec. 27];14(01):338-41. Available from: https://ejournal.seaninstitute.or.id/index.php/healt/article/view/1568