K. IBRAHIM N, H. ALWAN A, M. BARBOOTI M. Optimization of Biochemical Treatment of Tannery Wastewater. IJCPE [Internet]. 2008 Sep. 30 [cited 2024 Nov. 22];9(3):37-43. Available from: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/445