Keerthi, K., Shashikala, A.R. and Sridhar, B.S. 2023. Green Synthesis of Nano Cobalt Oxide by using <i>Hibiscus rosa-sinensis</i>. Journal of Mines, Metals and Fuels. 71, 9 (Nov. 2023), 1186–1190. DOI:https://doi.org/10.18311/jmmf/2023/35434.