Pre-Design Cost Modeling of Road Projects. Tikrit Journal of Engineering Sciences, [S. l.], v. 27, n. 1, p. 6–11, 2020. DOI: 10.25130/tjes.27.1.02. Disponível em: https://tj-es.com/ojs/index.php/tjes/article/view/135.. Acesso em: 10 sep. 2026.