Abu, M., S. A. M. Ali, H. Hassan, and I. M. Ibrahim. “Characterization of Artificial Magnetic Conductor, Electromagnetic Band Gap and Frequency Selective Surface”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 10, no. 2-6, July 2018, pp. 139-43, https://jtec.utem.edu.my/jtec/article/view/4384.