Srividhya, G. and Maheswari, S. 2025. Compact Single and Dual-Band Branch-Line Coupler with Effective Fractional Bandwidth for Wireless Communication Systems. Applied Computational Electromagnetics Society Journal (ACES). 40, 06 (Jun. 2025), 541–549. DOI:https://doi.org/10.13052/2024.ACES.J.400607.