Islam, Md. Moidul, et al. “Design & Analysis of Microstrip Patch Antenna Using Different Dielectric Materials for WiMAX Communication System”. International Journal of Recent Contributions from Engineering, Science & IT (iJES), vol. 4, no. 1, Mar. 2016, pp. pp. 19-24, doi:10.3991/ijes.v4i1.5569.