MALEKI, M.; ZEHFOROOSH, Y.; NOURINIA, J. Design and Implantation of a Wideband Microstrip 90° Hybrid Using Quasi-Π-Shaped Structure Loading. International Journal of Natural and Engineering Sciences, [S. l.], v. 7, n. 2, p. 48–51, 2019. Disponível em: https://ijnes.org/index.php/ijnes/article/view/151. Acesso em: 16 dec. 2024.