Ahmadzada, Namatullah, et al. “Additional Yield of Active Case Finding Through House Hold Survey in Selected District of Kabul, Afghanistan, 2018”. SAARC Journal of Tuberculosis, Lung Diseases and HIV AIDS, vol. 19, no. 1, July 2021, pp. 1-6, doi:10.3126/saarctb.v19i1.39922.