“First-Principles Investigation of Semiconducting Cu2ZnSnX4 (X = S, Se) Eco-Friendly Materials for the Next Generation of Photovoltaic Applications”. East European Journal of Physics, no. 3 (September 8, 2025): 259–272. Accessed October 24, 2026. https://periodicals.karazin.ua/eejp/article/view/26235.