Bochra Saria, Toufik Atouani and Bouziane Azeddine (2026) “Numerical Optimization of Cd-Free CZTSe Kesterite Solar Cells with Tunable Zn(O,S) Buffer Layers Using Silvaco ATLAS”, International Journal of Computational and Experimental Science and Engineering, 12(3). doi: 10.22399/ijcesen.5455.