MS. SHRUTI DHARMAHATTIKAR, M. N. G. M. P. D. Automated-Combined valve oscillation testing machine for 4&6 Cylinders. International Journal of Engineering and Computer Science, india, v. 3, n. 05, 2017. Disponível em: https://ijecs.in/index.php/ijecs/article/view/546. Acesso em: 23 jul. 2024.