WASET
    R. Irani and  A. Ghavidel and  F. Hodjat Kashani,  Simulation and Design of Single Fed Circularly Polarized Triangular Microstrip Antenna with Wide Band Tuning Stub.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2009, vol. 27(3). 457 - 459
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/2032.