“Fractally Generated Microstrip Bandpass Filter Designs Based on Dual-Mode Square Ring Resonator for Wireless Communication Systems”, alkej, vol. 4, no. 3, pp. 34–42, Mar. 2019, Accessed: May 07, 2024. [Online]. Available: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/592