Evaluation of the Economic benefits of Syrian mineral oil used in Bi-fuel engines (Gasoline - Syrian compressed natural gas). Damascus University Journal for engineering sciences, [S. l.], v. 35, n. 1, 2025. Disponível em: https://journal.damascusuniversity.edu.sy/index.php/engj/article/view/15931. Acesso em: 18 jun. 2026.