Ekke, V., and P. Zade. “Implementation of EBG Configuration for Asymmetric Microstrip Antenna to Improve Radiation Properties”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 1, Jan. 2017, pp. 61-66, https://jtec.utem.edu.my/jtec/article/view/1144.