Munir, M. E., and S. S. Qurashie. “RETRACTED: A Semi-Hexagonal Array (1×2) Antenna Using Half Mode Substrate Integrated Waveguide for Short Range Communication Devices”. Engineering, Technology &Amp; Applied Science Research, vol. 8, no. 3, June 2018, pp. 3004-8, doi:10.48084/etasr.2045.