Design of K-Band Substrate Integrated Waveguide Coupler, Circulator and Power Divider. International Journal of Information and Electronics Engineering, [S. l.], v. 4, n. `1, p. 47–53, 2014. Disponível em: https://ijiee.org/index.php/ijiee/article/view/604. Acesso em: 18 sep. 2026.