K Mohammed, A., A. Al -Rassul, S. and Bahjet, M. (2009) “Bio-production of Ethanol in Packed Bio reactor”, Iraqi Journal of Chemical and Petroleum Engineering, 10(4), pp. 45-48. Available at: http://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/420 (Accessed: 29November2019).