Khan, S. I., Sahir, K. H. and Siddiqui, A. (2010) “Microbiological Quality of Drinking Water and Beverages in Karachi, Pakistan: Microbiological Quality of Drinking Water”, Biological Sciences - PJSIR, 53(1), pp. 46–49. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/419 (Accessed: 4 May 2024).