Vahora, A., and K. Pandya. “A Low-Profile 4-Element Circularly Polarized Hexagonal DRA Array for Triple-Band Wireless Applications”. Advanced Electromagnetics 11, no. 4 (December 31, 2022): 90–97. Accessed February 6, 2023. https://aemjournal.org/index.php/AEM/article/view/2004.