Design of a Novel HN-Shape Microstrip Patch Antenna Using DGS Techniques at 11 GHz and 20 GHz. ITEGAM-JETIA, [S. l.], v. 12, n. 59, p. 463–472, 2026. DOI: 10.5935/jetia.v12i59.3490. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/3490. Acesso em: 22 oct. 2026.