Tarek S. Abdou, and Alsayah A. M. Emhemed. “High-Gain Circularly Polarized Rectangular Dielectric Resonator Antenna Array at 28 GHz for Millimeter-Wave Applications”. African Journal of Advanced Pure and Applied Sciences (AJAPAS), vol. 4, no. 1, Jan. 2025, pp. 8-18, https://aaasjournals.com/index.php/ajapas/article/view/1074.