“Article, Comparative assessment of exchange-correlation functionals for structural, electronic, and optical properties of rhombohedral Bi0.5Na0.5TiO3: Comparative assessment of exchange-correlation functionals for structural, electronic, and optical properties of rhombohedral Bi0.5Na0.5TiO3”, JNA, vol. 2, no. 3, pp. 38–53, Aug. 2026, doi: 10.65273/hhit.jna.2026.2.3.047.