KAUSAR, Amin; KOMARUDIN, Udin. Perancangan dan Pembuatan Alat Pembersih Koin Menggunakan Ultrasonik 50 W 40 kHz. Journal of Industrial Science and Mechanical Engineering, [S. l.], v. 1, n. 2, p. 41–62, 2026. Disponível em: https://journal.widyatama.ac.id/index.php/jisme/article/view/3171. Acesso em: 7 oct. 2026.