Syahputra, Fahmi, Rudolf S. Parhusip, and Jekson Martiar Siahaan. “Factors Associated With Tuberculosis in Deli Serdang, North Sumatera”. Journal of Epidemiology and Public Health 4, no. 1 (January 1, 2019): 55–59. Accessed April 28, 2024. https://jepublichealth.com/index.php/jepublichealth/article/view/105.