OBI NADU EMMANUEL. Reliability Analysis of Polyurethane (PU) Machine. Journal of Systematic, Evaluation and Diversity Engineering, Nigeria, v. 7, n. 5, 2025. DOI: 10.70382/ajsede.v7i5.006. Disponível em: https://africanscholarpub.com/ajsede/article/view/576.. Acesso em: 7 nov. 2025.