Sheeba, N. H., A. Namitha, K. M. Ramsiya, T. M. Ashitha, and R. Suhail. “Effect of Deposition Time on Structural and Optoelectronic Properties of Flower-Like Nanostructured PbS Thin Films”. Journal of Scientific Research, vol. 13, no. 1, Jan. 2021, pp. 9-20, doi:10.3329/jsr.v13i1.47240.