Araújo, F. F. de, A. L. P. de S. Campos, R. V. de A. Lira, A. Gomes Neto, and A. G. d’Assunção. “Bandwidth Enhancement of Microstrip Patch Antenna Using Metasurface”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), vol. 20, no. 1, Dec. 2020, pp. AoP 105-117, doi:10.1590/2179-10742021v20i1959.