Y Iliyasu, Adamu, Mohamad Rijal Hamid, Mohamad Kamal A Rahim, Murtala Aminu-Baba, and Mohd Fairus Mohd Yusof. “Compact Wideband Frequency Reconfigurable Metamaterial Antenna Design”. ELEKTRIKA- Journal of Electrical Engineering 18, no. 1 (April 24, 2019): 22–25. Accessed March 29, 2024. https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/145.