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