CHIN, S. J.; ABD. AZIZ, M. Z. A.; AHMAD, M. R. CPW-Fed Circular Disc Monopole Antenna with Defected Waveguide Structures. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 9, n. 2-8, p. 79–83, 2017. Disponível em: https://jtec.utem.edu.my/jtec/article/view/2632. Acesso em: 24 sep. 2022.