Ghedier Ahmed, Salima, and Aicha Selma Kiheli. “The Reality of Economic Diversification in Algeria in the Light of Oil Countries Experiences: Using the Herfindal-Hirschman Index for the Period (2017-2021)”. el-Bahith Review 22, no. 1 (December 30, 2022): 165–177. Accessed April 13, 2024. https://elbahithreview.edu.dz/index.php/bahith/article/view/829.