Moloto, N., N. Revaprasadu, M.J. Moloto, P. O'Brien, and J. Raftery. 2010. “N,N’-Diisopropylthiourea and N,N’-Dicyclohexyl-Thiourea zinc(II) Complexes As Precursors for the Synthesis of ZnS Nanoparticles”. South African Journal of Science 105 (7/8). https://sajs.co.za/article/view/10282.