1. S Nagakishore Bhavanam, M. Sekhar and Dr. P. Siddaiah “Triple Frequency Circular Patch Antenna”. IEEE Publications, ISBN: 978-1-4799-3975-6 (IEEE Xplore), 978-1-4799-3974-9 (CD), 978-1-4799-1594-1 (Print), pp.1231-1233.
2. S Nagakishore Bhavanam, M. Sekhar and Dr. P. Siddaiah “Rectangular Patch Antena Aray Design at 13GHz frequency Using HFSS”. IEEE Publications, ISBN: 978-1-4799-3975-6 (IEEE Xplore), 978-1-4799-3974-9 (CD), 978-1-4799-1594-1 (Print), pp. 43-46.
3. S Nagakishore Bhavanam, and B. Lakshmi Narayana “Design & Simulation of Tripple Frequency Triangular Patch Antenna by Using HFSS 14.0”, International Journal of Applied Engineering Research, vol. 10, No. 20 April 2015, ISSN: 0973-4562(print), ISSN: 1087-1090 (Online), pp. 18585-18588.
4. S Nagakishore Bhavanam et al, “Design & Simulation of single frequency Rectangular Patch Antenna by Using HFSS”. International Journal of Engineering Research and Applications (IJERA), Vol. 5, Issue 4, Part-V, April 2015, ISSN: 2248-9622, pp.06-09.
5. S Nagakishore Bhavanam and Vasujadevi M “Printed Microstrip Compact Antenna with Slots in Ground Plane and Patch using HFSS”. International Journal of Engineering Research and Sports Science (IJERSS), Vol. 1, Issue. 2, Feb 2014, ISSN: 2348-1404(online), ISSN: 2348-2400(print), pp.19-24.