V. Prakasam and P. Sandeep, “Dual Edge-Fed Left Hand and Right Hand Circularly Polarized Rectangular Micro-Strip Patch Antenna for Wireless Communication Applications”, IRO J. Sustain. Wirel. Syst., vol. 2, no. 3, pp. 107–117, Dec. 2020, doi: 10.36548/jsws.2020.3.001.