Effect vibration characteristics in direct-injection engine with operated turpentine oil-diesel fuel blend. International Journal of Automotive & Transportation Engineering, [S. l.], v. 1, n. 1, p. 119–129, 2025. Disponível em: https://e-journal.scholar-publishing.org/index.php/ijate/article/view/123. Acesso em: 8 sep. 2025.