Alluri, Srinivasarao, and Nakkeeran Rangaswamy. “A Super Wideband Circular-Shaped Fractal Antenna Loaded With Concentric Hexagonal Slots”. International Journal of Engineering and Technology 7, no. 3.29 (August 24, 2018): 211–213. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/18797.