LIMA, A. M.; CUNHA, N. H. O. .; DA SILVA, J. P. Effect of Metamaterial Cells Array on a Microstrip Patch Antenna Design. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), [S. l.], v. 19, n. 3, p. AoP 327-342, 2020. DOI: 10.1590/2179-10742020v19i3886. Disponível em: http://www.jmoe.org/index.php/jmoe/article/view/886. Acesso em: 14 aug. 2020.