Sitepu FY, Depari E, Aditama W, Halim R, Isworo A, Lumbangaol BHP, Fathan MM, Aritonang FA, Sihotang E, Napitupulu DP, Nofri A. A Survey of the Knowledge of Surveillance Officers and Outbreak Investigation Team toward COVID-19 in North Sumatera Province, Indonesia. Open Access Maced J Med Sci [Internet]. 2020 Jun. 20 [cited 2024 Nov. 24];8(T1):55-60. Available from: https://oamjms.eu/index.php/mjms/article/view/4910