Evaluation of Modified Asphalt Binder and Mixtures with Polyphosphoric Acid. Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 26, n. 1, p. 31–36, 2023. DOI: 10.29194/NJES.26010031. Disponível em: https://nahje.com/nahje/article/view/43. Acesso em: 12 apr. 2026.