CHUPAK, Gerard; AZLAN, Mohd Azwir. Design of Ditch Cleaning Machine. Research Progress in Mechanical and Manufacturing Engineering, [S. l.], v. 5, n. 2, 2024. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/16988. Acesso em: 12 mar. 2026.