HOSSEINI, Sayed M.; REZAEI, Abbas. Design of a Branch-line Microstrip Coupler Using Spirals and Step Impedance Cells for WiMAX Applications. ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY, [S. l.], v. 8, n. 1, p. 1–4, 2020. DOI: 10.14500/aro.10606. Disponível em: https://bp.koyauniversity.org/index.php/aro/article/view/ARO.10606. Acesso em: 10 may. 2025.