Kado, Sani, et al. “Density Functional Theory Investigation of Defect-Induced Electronic Behavior in Iodine-Deficient Mapbi₃ Perovskites for Solar Cells”. Global Journal of Engineering and Technology Research, vol. 2, no. 09, Sept. 2026, pp. 579-85, https://doi.org/10.65150/EP-gjetr/V2E9/2026-15.