Adi Kuncara, Cahya, 		Rohmah, Yuyun, 		Andi Nurmantris, Dwi, AND 		Anwar, Radial.
" Performance Analysis on Dual-band Annular Ring Microstrip Antenna at 1.9 GHz and 2.1 GHz Operating Frequencies" <em>IJAIT (International Journal of Applied Information Technology)</em> [Online], (28 May 2018)