Zubair, A. and Rippey, B. (2000) “?EVALUATION OF SHALLOW GROUNDWATER QUALITY IN URBA~ AREAS OF KARACHI (PAKISTAN)-INORGANIC NUTRIENTS AND BACTERIAL CONTAMINATION”, Biological Sciences - PJSIR, 43(4), pp. 221–225. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/2036 (Accessed: 22 July 2024).