PRADANA, S. S.; KOESMARIJANTO, K.; SUJA’I, M. S. Design and Fabrication of Circular and Circular Ring Microstrip Patch Antennas Employing Multilayer Parasitic Elements at 2.4 GHz. JURNAL JARTEL: Jurnal Jaringan Telekomunikasi, [S. l.], v. 15, n. 1, p. 57–64, 2025. DOI: 10.33795/jartel.v15i1.6452. Disponível em: http://jurnal.polinema.ac.id/index.php/jartel/article/view/6452. Acesso em: 2 jan. 2026.