Mirza , Sardar. “A STUDY IN THE BIOLOGICAL TREATMENT OF THE DOMESTIC AND LOCAL INDUSTRIAL SEWAGES ”. The Iraqi Journal of Veterinary Medicine 14, no. 1 (December 28, 1990): 63–78. Accessed January 9, 2026. https://www.jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/1629.