“Optimum Utilization of Spectrum Holes in Cognitive Radio Networks using Opportunistic Spectrum Band Allocation Policy for Handoff Prioritization”, GJRE, vol. 13, no. F11, pp. 21–30, Jul. 2013, Accessed: Jun. 06, 2026. [Online]. Available: https://testing.engineeringresearch.org/index.php/GJRE/article/view/100365