Effect of Ignition energy on performance and emission of CNG fuelled Bi-fuel Engine: Experimental Investigation. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 1, n. 5, p. 526–531, 2014. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/103. Acesso em: 6 sep. 2025.