M. Patel, V. Singh Jadaun, K. Lal, and P. Kuchhal, “Design of a High Gain Compact Circular Microstrip Patch Antenna for X-Band”, IJET, vol. 7, no. 2.6, pp. 168–170, Mar. 2018, doi: 10.14419/ijet.v7i2.6.10561.