Rancang Bangun Alat Tamping Kopi Berbasis Sistem Pneumatik menggunakan Solenoid Valve. Cylinder : Jurnal Ilmiah Teknik Mesin, [S. l.], v. 8, n. 2, p. 29–34, 2022. DOI: 10.25170/cylinder.v8i2.4866. Disponível em: https://ejournal.atmajaya.ac.id/index.php/cylinder/article/view/4866. Acesso em: 25 apr. 2025.