Shady, M. O. ., S. M. Sifat, and M. M. M. Ali. “Exploring Gap Waveguide Solutions: A Review of Millimeter-Wave Beamforming Components and Antennas for Advanced Applications”. Journal of Electronics and Electrical Engineering, vol. 3, no. 1, June 2024, pp. 236–254, doi:10.37256/jeee.3120244636.