Zamanpoor, Babak, and Ahmad Eskandari. “Design and Fabrication of Ultra Wide-Band Bandpass Filters With Notched-Band Using a Rectangular Ring Resonator”. Majlesi Journal of Electrical Engineering 14, no. 1 (February 15, 2024). Accessed May 3, 2026. https://oiccpress.com/mjee/article/view/4858.