SETIAWAN, Florentinus Budi; PRASETYO, Daniel Danin; PRATOMO, Leonardus Heru. Design of Audiosonic Frequency Wave Therapy Tool With Arduino Mega-Based Spectrum Analyzer Monitoring. Protek : Jurnal Ilmiah Teknik Elektro, [S. l.], v. 10, n. 1, p. 33–38, 2023. DOI: 10.33387/protk.v10i1.5536. Disponível em: https://ejournal.unkhair.ac.id/index.php/protk/article/view/5536. Acesso em: 30 may. 2026.