FAISYAL; HALIK, A.; MARLANG, H. Pengaruh Scratch Pada Spool Control Valve Terhadap Kinerja Boom Cylinder Excavator Caterpillar 320D. Majalah Teknik Industri, [S. l.], v. 29, n. 1, p. 11–17, 2022. Disponível em: https://journal.atim.ac.id/index.php/majalahteknikindustri/article/view/74. Acesso em: 4 jul. 2024.