Muhammad Arif Sulaiman et al. 2024. Rancang Bangun Tuneable Bandpass Filter Combline untuk VHF Air Ground Radio Communication. Langit Biru: Jurnal Ilmiah Aviasi. 16, 03 (Jan. 2024), 129–138. DOI:https://doi.org/10.54147/langitbiru.v16i02.922.