R. Rassoul, G. A. “Continuous De-Emulsification of Crude Oil Using Packed Column Under Various Conditions”. Iraqi Journal of Chemical and Petroleum Engineering 8, no. 4 (December 30, 2007): 19-24. Accessed August 14, 2021. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/492.