[1]
M. F. Abdul Khalid, Z. Ismail Khan, Z. Awang, I. Pasya, N. Ab Wahab, and I. M. Yassin, “Dual-Band Bandpass Filter with Dumbbell Shaped Defective Ground Structure”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 7, no. 2, pp. 695–701, Apr. 2017.