1. ADS (Advanced Design System). (2019). Keysight Technologies, Fountaingrove Parkway 1400, Santa Rosa, CA 95403–1799.
2. Balanis, C. A. (2005). Antenna theory analysis and design (3rd ed.). Hoboken: John Wiley & Sons.
3. Bekasiewicz, A., & Koziel, S. (2015). Miniaturised dual-band branch-line coupler. Electronics Letters, 51(10), 769–771.
4. Caenepeel, M., Ferranti, F., & Rolain, Y. (2016). Efficient and automated generation of multidimensional design curves for coupled-resonator filters using system identification and metamodels. International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (CMACD). Lisbon. pp. 1–4.
5. Chen, Y.-C., Chen, S.-Y., & Hsu, P. (2006). Dual-band slot dipole antenna fed by a coplanar waveguide. Proceedings of IEEE International Symposium on Antennas and Propagation (ISAP). Singapore. pp. 3589–3592.