Kaseer, N., Hammed, H., Alwan, K. and Abbas, A. (2002) “Aerobic Filter Treatment of Pharmaceutical Waste”, Iraqi Journal of Chemical and Petroleum Engineering, 3(4), pp. 43-49. Available at: http://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/650 (Accessed: 30November2019).