Sharkawy, Mohamed Al, Omar Luxor, Ahmed Boutejdar, and Fatma Alhefnawi. “Improvement of Compactness of Lowpass/Bandpass Filter Using a New Electromagnetic Coupled Crescent Defected Ground Structure Resonators”. Applied Computational Electromagnetics Society Journal (ACES) 25, no. 7 (June 17, 2022): 570–577. Accessed May 13, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/15721.