Irina B. Vendik, Alexander S. Rusakov and Komsan Kanjanasit (2021) “Study of Ultra-wideband Antenna with Multi-notch Band Loaded with a Multimode Electric Ring Resonator and a Complementary Resonance Structure”, Newest Updates in Physical Science Research Vol. 11, pp. 185–199. doi: 10.9734/bpi/nupsr/v11/10183D.