Classification of Crude Oils and its Fractions on the Basis of Paraffinic, Naphthenic and Aromatics. Al-Nahrain Journal of Science, [S. l.], v. 22, n. 3, p. 35–42, 2019. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/2163.. Acesso em: 8 may. 2024.