Deepak M. Sonawane, et al. “BaSr(Al₀.₅Nb₀.₅)O₃ Perovskite Nanoparticles: Structural and Optical Evaluation for Efficient Light Absorber Layers in Solar Cells ”. Metallurgical and Materials Engineering, vol. 31, no. 3, Mar. 2025, pp. 173-84, doi:10.63278/1354.