Elechi, P., and P.O.Richard John. “Improved Multiband Rectangular Microstrip Patch Antenna for 5G Application”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 14, no. 2 (June 30, 2022): 7–14. Accessed October 3, 2022. https://jtec.utem.edu.my/jtec/article/view/6176.