Costa, I. M., T. R. Cunha, J. G. S. Duque, and C. T. Meneses. “Synthesis and Characterization of Zn1-XMnxO Nanoparticles”. Scientia Plena, vol. 8, no. 3(b), June 2012, https://www.scientiaplena.org.br/sp/article/view/957.