Maria Ulfah, Mia, and Achmad Munir. “SIW Antenna Using Defected Ground Structure for L-Band Frequency”. Jurnal Nasional Teknik Elektro dan Teknologi Informasi 9, no. 2 (May 29, 2020): 205-210. Accessed April 2, 2025. https://jurnal.ugm.ac.id/v3/JNTETI/article/view/122.