Deepak M. Sonawane et al. 2025. BaSr(Al₀.₅Nb₀.₅)O₃ Perovskite Nanoparticles: Structural and Optical Evaluation for Efficient Light Absorber Layers in Solar Cells . Metallurgical and Materials Engineering. 31, 3 (Mar. 2025), 173–184. DOI:https://doi.org/10.63278/1354.