OKEKE, E. U.; LEBELE-ALAWA, B. T. Modification Design of Petrol Engine for Alternative Fuelling using Compressed Natural Gas. International Journal of Engineering and Technology Innovation, [S. l.], v. 3, n. 2, p. 86–94, 2013. Disponível em: https://ojs.imeti.org/index.php/IJETI/article/view/100. Acesso em: 25 may. 2024.