Atsuwe, Bernard A., Alexander N. Amah, Gabriel A. Igwue, and Iorkyaa Ahemen. 2025. “OPTIMIZED EIGHTH-ORDER ACTIVE-R BANDPASS FILTER FOR UHF RFID SYSTEMS: DESIGN, SIMULATION, AND EXPERIMENTAL VALIDATION”. FUDMA JOURNAL OF SCIENCES 9 (2), 271 -84. https://doi.org/10.33003/fjs-2025-0902-3127.