VU TUAN, A.; DUONG TUAN, V.; PHAM THI MAI, A. Design of X-band quadrature coupler based on Substrate integrated waveguide. Journal of Military Science and Technology, [S. l.], n. RD, p. 51–58, 2021. Disponível em: https://jmst.mod.gov.vn/index.php/jmst/article/view/2350. Acesso em: 13 nov. 2026.