Rabie Hadi, Maitham, and Zainab Shallal Eakaar. “The Use of Method (EGP) to Build The Optimum Shares Portfolio Under the Two Methods Allowing Short Selling and Not Allow -An Analytical Study In the Iraq Stock Exchange”. Iraqi Journal for Administrative Sciences, vol. 12, no. 48, Dec. 2024, pp. 86-137, doi:10.71207/ijas.v12i48.2681.