Abdelhakim Moutaouakil, Younes Jabrane, Abdelati Reha, My. A. Koumina. 2020. “Design and Simulation of a Fractal Multiband Antenna Printed on a Circular Patch”. International Journal of Advanced Science and Technology 29 (06), 5290 -96. http://sersc.org/journals/index.php/IJAST/article/view/19590.