Marhoon, Hamzah M., et al. “Simulation and Optimization of Rectangular Microstrip Patch Antenna for Mobile 5G Communications”. Jurnal Ilmiah Teknik Elektro Komputer Dan Informatika, vol. 8, no. 2, July 2022, pp. 249-55, doi:10.26555/jiteki.v8i2.21927.