Mekki, K., O. Necibi, C. Boussetta, and A. Gharsallah. “Miniaturization of Circularly Polarized Patch Antenna for RFID Reader Applications”. Engineering, Technology & Applied Science Research 10, no. 3 (June 7, 2020): 5655–5659. Accessed August 16, 2022. https://www.etasr.com/index.php/ETASR/article/view/3445.