HARYANTO, Puji; ASTUTI, Dian Widi; ALAYDRUS, Mudrik; FIRDAUSI, Ahmad; RUSDIYANTO, Dian; A MAJID, Huda. An ultra-broadband microstrip antenna using a triple dumbbell-shaped defected ground structure. SINERGI, Jakarta, Indonesia, v. 30, n. 1, p. 79–90, 2026. DOI: 10.22441/sinergi.2026.1.008. Disponível em: https://publikasi.mercubuana.ac.id/index.php/sinergi/article/view/32967. Acesso em: 23 oct. 2026.