Секербaев К. et al., “Influence of halide content on the structure and optical properties of organometal perovskites”, Rec.Contr.Phys., vol. 57, no. 2, pp. 50–55, Apr. 2016, Accessed: Sep. 12, 2026. Available: https://bph.kaznu.kz/index.php/zhuzhu/article/view/457