Ka Chin C, Awang Mat DA, Truna MN, et al. Design of Dumbbell Shaped DGS-Notch Patch Antenna for Microwave Imaging System. ijie. 2020;12(6):94-104. Accessed August 17, 2024. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/6386