Mashiatullah, A., R. M. Qureshi, T. Javed, N. Ahmad, and F. Khalid. 2020. “PHYSICO - CHEMICAL AND BIOLOGICAL WATER QUALITY OF KARACHI COASTAL WATER”. The Nucleus 46 (1-2):53-59. http://thenucleuspak.org.pk/index.php/Nucleus/article/view/977.