Noura, Boualleg, and Ait-Yahia Samir. “Causal Relationship Between Government Spending and Economic Diversification in Algeria During the Period 1990-2022 Within the Framework of Frequency Causality”. International journal of economic perspectives 18, no. 1 (August 4, 2024): 223–233. Accessed November 18, 2025. http://ijeponline.org/index.php/journal/article/view/557.