Kareem Mohammed, A. (2012) “Biodegradation and Bioaccumulation Rate of PCBs in Cows”, Journal of Engineering and Sustainable Development, 16(3), pp. 411–420. Available at: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1290 (Accessed: 20 April 2025).