Kwalar, Barnabas Ngwani, Jamu Benson Yerima, and A. D. Ahmad. 2025. “Band Gap Engineering in a Mixed Halide Perovskite CsPbI2Z (Z=F, Cl, Br) for Photovoltaic Applications”. Nigerian Journal of Theoretical and Environmental Physics 3 (4): 13-20. https://doi.org/10.62292/njtep.v3i4.2025.99.