ميثم ربيع هادي الحسناوي, and هبة الله مصطفى السيد علي المنصور. “The Performance of the Optimal Risky International Portfolio in Light of the Financial Crisis - an Analytical Study of a Sample of International Stock Markets”. Iraqi Journal for Administrative Sciences, vol. 14, no. 57, Oct. 2024, pp. 29-66, https://mail.journals.uokerbala.edu.iq/index.php/ijas/article/view/2492.