K. Brahmananda Rao, K., K. V. Ramesh, and P. Tejeswara Rao. 2018. “Dc Electrical Properties of Semiconducting Cobalt Oxide Substituted Lead Vanadate Glasses”. International Journal of Engineering & Technology 7 (4.5): 625-27. https://doi.org/10.14419/ijet.v7i4.5.21172.