Fernandez, Rudy, Amirul Luthfi, Syukri Yunus, and Tiara Feryndita Astuti. 2025. “Enhanced Quadrature Hybrid Coupler Design for 5G N1 Band Using Defected Ground Structures”. Jurnal Nasional Teknik Elektro 14 (3):190-95. https://doi.org/10.25077/jnte.v14n3.1279.2025.