Juma'a, Fatimah K., and Falih M. Alnahwi. “Design and Simulation of Butterfly-Shaped Filtenna With Dual Band Notch for Portable UWB Applications”. Iraqi Journal for Electrical and Electronic Engineering 17, no. 1 (May 5, 2021): 100–106. Accessed December 13, 2025. https://ijeee.journalpath.com/ijeee/article/view/553.