AHMAD, Z. B.; ANIGBOGU, N. Elemental analysis of road construction cost overruns. Savannah Journal of Science and Engineering Technology , [S. l.], v. 1, n. 4, p. 88–93, 2023. Disponível em: https://www.sajsetjournal.com.ng/index.php/journal/article/view/40. Acesso em: 29 oct. 2025.