نصوري فيصل اكرم, and رشاد رؤى طارق. “Assessing the Efficiency of the Economic Performance of the General Company for Vegetable Oil Industry for the Period (2003-2007)”. Journal of Economics and Administrative Sciences, vol. 18, no. 69, Dec. 2012, p. 135, https://doi.org/10.33095/jeas.v18i69.930.