Mkindu, Hassan, and Hashim Iddi. “Multi-Bands Circular Ring Monopole Antenna With Double L-Shape for WLAN/WiMAX Applications”. Tanzania Journal of Science 47, no. 1 (February 15, 2021): 228–242. Accessed July 30, 2025. https://tjs.udsm.ac.tz/index.php/tjs/article/view/40.