Noise and Oil Viscosity Characterization and Modelling for Petrol-Gas-Converted Generator. INTERNATIONAL JOURNAL OF INDUSTRIAL AND PRODUCTION ENGINEERING, [S. l.], v. 3, n. 2, p. 43–58, 2025. Disponível em: https://journals.unizik.edu.ng/ijipe/article/view/6070. Acesso em: 3 aug. 2026.