Linganiso, E. , Mwakikunga, B. , Singh, T. , Mathur, S. , Ntwaeaborwa, O.. "Synthesis and Characterization of Nickel and Sulphur Sensitized Zinc Oxide Structures". World Academy of Science, Engineering and Technology, Open Science Index 137, International Journal of Chemical and Molecular Engineering, (2018), 12(5), 205 - 208.