, B. C. I. M. Performance Analysis of Petrol Engine using Producer Gas with Variable CR. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 5, n. 5, p. 617–621, 2017. DOI: 10.17762/ijritcc.v5i5.573. Disponível em: https://mail.ijritcc.org/index.php/ijritcc/article/view/573. Acesso em: 13 sep. 2025.