Behera, Ashis Kumar, Mayank Agarwal, Pradutt Kumar Bharti, and Manoj Kumar Meshram. 2016. “A Hepta-Band Frequency Reconfigurable Antenna for Mobile Handsets With Impedance Matching Technique”. International Journal of Advances in Microwave Technology 1 (1):19-23. https://ijamt.com/index.php/ijamt/article/view/27.