Mohammed Boukhalfa, Mohammed Mostefaoui, Roumaissa Zenzen, and Abdelkader Azzeddine Bengharbi. “Optimization and Simulation of CIGS Thin-Film Solar Cells Using Cd-Free Buffer Layers”. International Journal of Computational and Experimental Science and Engineering 11, no. 4 (December 24, 2025). Accessed May 2, 2026. https://ijcesen.com/index.php/ijcesen/article/view/4559.