Irzooqi, Wisam Shareef. 2026. “A STUDY OF THE OPTICAL PROPERTIES AND ENERGY GAP TUNING THROUGH NICKEL DOPING IN Z-SCAN AND DIFFUSE REFLECTION TECHNIQUES FOR LA₀.₅SR₁.₅CO₂₋ₓNIₓO₂ COMPOSITE PARTICLES”. International Journal Multidisciplinary (IJMI) 3 (4):22-32. https://doi.org/10.61796/ijmi.v3i4.617.