Wadday, Ahmed Ghanim, and Hayder Jawad Albattat. 2016. “DESIGN OF RECONFIGURABLE MICROSTRIP ANTENNA WITH A WIDE TUNABILITY RANGE FOR COGNITIVE RADIO NETWORK”. Kufa Journal of Engineering 7 (2). Kufa, Najaf, IRAQ:1-8. https://doi.org/10.30572/2018/KJE/721206.