ABDUL MANAN, Muhamad Saifuldin; SHAH FRI, Nur Amalina; MANSOR, Nurul Najwa; WASIR, Norsyahadah Yeop; MOHD DAWI, Mohd Syedi Imran; AHMAD, Rozie Nani. Design and Development of a Trash and Oil Trap for Drainage in Commercial Area Using Waste Chicken Feathers. Malaysian Journal of Ergonomics (MJEr), [S. l.], v. 7, 2025. DOI: 10.58915/mjer.v7.2025.2754. Disponível em: https://ejournal.unimap.edu.my/index.php/mjer/article/view/2754. Acesso em: 1 jan. 2026.