Pavithra, A., S. Suvitha, and J. Megala. “A Compact Wideband SIW Bandpass Filter For UWB Applications”. International Journal of Engineering and Technology 7, no. 4.6 (September 25, 2018): 520–523. Accessed April 28, 2025. https://sciencepubco.com/index.php/IJET/article/view/28677.