P Geetha Devi, and A Sakthi Velu. 2016. “Impact of Transition Metal Ion Co2+ on Structural and Optical Properties of ZnO Nanoparticles Synthesised by Co-Precipitation Method”. JOURNAL OF ADVANCED APPLIED SCIENTIFIC RESEARCH 1 (4):36-52. https://doi.org/10.46947/joaasr14201629.