Mustapha, L. O.; Tikarewa, G. A.; Amusa, R. A. DFT Study of the Effect of A-Site and Halide Substitution on the Structural and Elastic Behavior of APbX₃ Perovskites. NJP 2026, 35 (2), 191-196. https://doi.org/10.62292/njp.v35i2.2026.525.