M I Sulaiman, H Basarudin, and A F Ramli, “Bandwidth Enhancement of Circularly Polarized Cylindrical DRA using Parasitic Half Loop”, JET, vol. 4, no. 1, pp. 22–26, Nov. 2016, Accessed: Jun. 09, 2026. [Online]. Available: https://ejournal.unikl.edu.my/index.php/jet/article/view/254