KHANNA, P.; SHARMA, A.; SINGH, A. K.; KUMAR, A. A CPW - Fed Octagonal Ring Shaped Wide Band Antenna for Wireless Applications. Advanced Electromagnetics, [S. l.], v. 7, n. 3, p. 87–92, 2018. DOI: 10.7716/aem.v7i3.769. Disponível em: https://www.aemjournal.org/index.php/AEM/article/view/769. Acesso em: 12 jan. 2025.