M. Habib Ullah, M. T. Islam, J. S. Mandeep, N. Misran, and N. Nikabdullah, “A Compact Wideband Antenna on Dielectric Material Substrate for K Band”, ELEKTRON ELEKTROTECH, vol. 123, no. 7, pp. 75–78, Sep. 2012, doi: 10.5755/j01.eee.123.7.2378.