Fitria Nurjihan, Shita, and Achmad Munir. “Design of Ultra Wideband Microstrip Bandpass Filter Based on Defected Ground Structure”. Jurnal Nasional Teknik Elektro dan Teknologi Informasi 9, no. 1 (February 5, 2020): 104-109. Accessed October 5, 2024. https://dev.journal.ugm.ac.id/v3/JNTETI/article/view/119.