Abdul-Wahab, M.I. and Al-Shimmery, A.T. 2004. Oil Removal from Wastewater of Al-Bezerqan Crude Oil Fields by Air Flotation. Iraqi Journal of Chemical and Petroleum Engineering. 5, 4 (Dec. 2004), 41–47. DOI:https://doi.org/10.31699/IJCPE.2004.4.7.