1.
Muhammad MA, AL-Hamdani RI. The role of international diversification in building the optimal investment portfolio using the cut-off model Analytical Study in a number of international markets. Tikrit J. Admin. Econ. Sci. [Internet]. 2022 Sep. 30 [cited 2026 Mar. 7];18(59, 2):309-26. Available from: https://www.tjaes.org/ojs/index.php/tjaes/article/view/483