Melvi, Melvi, Fitri Lestari, Ardian Ulvan, Aryanto Aryanto, and Mona Arif Muda Batubara. 2023. “Perancangan Antena Helix Frekuensi 433 MHz Pita Lebar”. Jurnal Teknologi Riset Terapan 1 (2):91-106. https://doi.org/10.35912/jatra.v1i2.2399.