Islam, S., H. A. Begum, and N. Y. Nili. “Bacteriological Safety Assessment of Municipal Tap Water and Quality of Bottle Water in Dhaka City: Health Hazard Analysis”. Bangladesh Journal of Medical Microbiology, vol. 4, no. 1, Aug. 2011, pp. 9-13, doi:10.3329/bjmm.v4i1.8462.