Mashiatullah, A., Qureshi, R.M., Javed, T., Ahmad, N. and Khalid, F. 2020. PHYSICO - CHEMICAL AND BIOLOGICAL WATER QUALITY OF KARACHI COASTAL WATER. The Nucleus. 46, 1-2 (Jun. 2020), 53–59. DOI:https://doi.org/10.71330/thenucleus.2009.977.