Pradana, S. S., Koesmarijanto, K., & Suja’i, M. S. (2025). Design and Fabrication of Circular and Circular Ring Microstrip Patch Antennas Employing Multilayer Parasitic Elements at 2.4 GHz. JURNAL JARTEL: Jurnal Jaringan Telekomunikasi, 15(1), 57–64. https://doi.org/10.33795/jartel.v15i1.6452