[1] Anil kumar Agrawal, Shyam Sundar Pattnaik, S .Devi & J G Joshi “Broadband and high gain micro strip patch antenna for WLAN”, Indian Journal of Radio & space Physics, vol. 40, October 2011,pp 282 - 286.

[2] Kumar, G., and K. C. Gupta, „„Nonradiating Edges and Four Edges Gap-Coupled Multiple Resonator, Broadband Micro strip Antennas,‟‟ IEEE Trans. Antennas Propagation,Vol. AP-33, , pp. 173–178, February 1985.

[3] Kumar, G., and K. C. Gupta, „„Directly Coupled Multiple Resonator Wideband Micro strip Antennas,‟‟ IEEE Trans. Antennas Propagation, Vol. AP-33, pp. 588–593, June 1985.