Production of Hard Grade Bitumen for Using in High Modulus Asphalt Concrete. Journal of University of Babylon for Engineering Sciences, [S. l.], v. 26, n. 6, p. 157–174, 2018. Disponível em: https://journalofbabylon.com/index.php/JUBES/article/view/1362. Acesso em: 4 jun. 2026.