jainal, siti fatimah et al. 2019. DESIGN OF WLAN AND WIMAX BAND REJECTION UTILIZING UWB PLANAR ANTENNA COMPRISING A SLIT IN THE CONDUCTOR PLANES . IIUM Engineering Journal. 20, 2 (Dec. 2019), 90–104. DOI:https://doi.org/10.31436/iiumej.v20i2.1097.