Al-Hemiri, A., Majeed, J. and Abdul-Sada, A.-S. (2002) “A Study of Absorption Column with Single Bubble Cap Tray in the Production of Sodium Bicarbonate”, Iraqi Journal of Chemical and Petroleum Engineering, 3(1), pp. 11-17. Available at: http://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/611 (Accessed: 30November2019).