mehamdi, Azzeddine, and Abdelali Salhi. “Objectives Programming Application in Determining the Optimal Investment Portfolio: A Case Study of a Selected Stock Sample from the Bahrain Stock Exchange”. Dirassat Journal Economic Issue 10, no. 1 (January 1, 2019): 85-103. Accessed November 22, 2024. http://journals.lagh-univ.dz/index.php/djei/article/view/184.