SUCHARITA, C. V. S. A.; SNEHA, K.; SASTRY, N. N. A Wideband Annular Ring Radiator with Polygonal Ground Plane. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 10, n. 1-4, p. 165–168, 2018. Disponível em: https://jtec.utem.edu.my/jtec/article/view/3611. Acesso em: 1 may. 2024.