Assistant Instructor Maysoun Mahdi Musa , Assistant Instructor Ibtisam Jabr Wanas, Assistant Instructor Zainab Abbas Hamada. Using Diversification to Construct an Optimal Investment Portfolio for Companies Listed on the Iraq Stock Exchange. Legfin [Internet]. 2025 Aug. 23 [cited 2025 Sep. 16];15(3). Available from: https://www.legfin.in/index.php/leg/article/view/332