احمد داود عبد الجبار. “Studying and Analysis Effect Level of the Government Expenditure and Gross Domestic Product in Size of the Expenditure on the Higher Education in Iraq (1995 – 2009)”. Journal of Economics and Administrative Sciences, vol. 18, no. 67, Sept. 2012, p. 246, https://doi.org/10.33095/jeas.v18i67.1053.