Preet, T.P.S., Singh, P.R., Kaur, J. and Sharma, V. 2012. OPPORTUNISTIC APPROACH TO EXPLOIT WIRELESS SPECTRUM BY USE OF COGNITIVE RADIO. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY. 2, 3 (Jun. 2012), 108–115. DOI:https://doi.org/10.24297/ijct.v2i3b.2700.