Munshi, A. B., A. S. Hina, and T. H. Usmani. “Determination of the Level of PCBs in Small Fishes from Three Different Coastal Areas of Karachi, Pakistan”. Biological Sciences - PJSIR 48, no. 4 (August 29, 2005): 247–251. Accessed November 22, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1386.