TOWOJU, O. A.; DARE, A. A.; FASHOGBON, S. K. Experimental investigation of the performance and emission characteristics of a CI engine equipped with a modified truncated cone piston crown operated on diesel and shea-butter biodiesel. European Journal of Engineering and Technology Research, [S. l.], v. 3, n. 10, p. 126–131, 2018. DOI: 10.24018/ejeng.2018.3.10.954. Disponível em: https://ej-eng.org/index.php/ejeng/article/view/954. Acesso em: 6 jul. 2024.