“Effect of Substitutional Point Defect of Gold (Au) in Indium (In) Site of Double Halide Perovskite (Cs2InSbCl6)”, J. Nig. Soc. Phys. Sci., vol. 3, no. 4, pp. 334–339, Nov. 2021, doi: 10.46481/jnsps.2021.352.