Al Jewad, Bessam. “A Multiband Biconical Log-Periodic Antenna for Swarm Communications”. Cihan University-Erbil Scientific Journal 3, no. 2 (August 20, 2019): 85-91. Accessed April 18, 2024. https://journals.cihanuniversity.edu.iq/index.php/cuesj/article/view/119.