Lima, A. M., de Freitas, J. V., & Lavor, O. P. (2020). Analysis of the Resonator Element in Different Positions in the Circular Patch Microstrip Antenna. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), 20(1), AoP 16–29. https://doi.org/10.1590/2179-10742021v20i1954