Orumwense, Efe Francis, Thomas J Afullo, and Viranjay M Srivastava. (2016) 2022. “Energy Efficiency Metrics in Cognitive Radio Networks: A Hollistic Overview”. International Journal of Communication Networks and Information Security (IJCNIS) 8 (2). https://doi.org/10.17762/ijcnis.v8i2.1805.