El Hachlouf, Mostafa, Mohammed El Haddad, Faris Hamza, and Meriem Aboulethar. “Risk Minimization of Financial Assets Portfolio”. International Journal of Economics and Financial Issues 7, no. 5 (April 16, 2019): 561–564. Accessed November 23, 2024. https://econjournals.com/index.php/ijefi/article/view/5240.