Annapurna, K., Meghalatha CK, and B. Seetha Ramanjaneyulu. “Frequency Reuse for Coexistence of Secondary Users and Optimum Utilization of Bandwidth”. International Journal of Engineering & Technology 7, no. 4.20 (November 28, 2018): 594–597. Accessed May 7, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/27421.