Alqallaf, Abdullah K., Rabie K. Dib, 和 Muhammad F. Karim. 2021. 《Switchable Multiband Monopole CRLH Antenna》. Applied Computational Electromagnetics Society Journal (ACES) 31 (01):19-25. https://journals.riverpublishers.com/index.php/ACES/article/view/10255.