B.Ananda venaktesan , Dinavahi Bhavya, C.A.Likhitha Varma,Angkita Chetri, M.V.P.P.Sai Hemanth. “Novel Structured Ultra Wideband Antenna With Triple Band Notching Characteristics”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, May 2020, pp. 6125 -32, http://sersc.org/journals/index.php/IJAST/article/view/15596.