DAOUD, O.; ALI, S.; ELHASSAN, B. Characterization and evaluation of sudanese fly ash as partial replacement for cement in concrete mixes. Journal of Building and Road Research, [S. l.], v. 16, 2021. DOI: 10.53332/jbrr.v16i.642. Disponível em: http://onlinejournals.uofk.edu/index.php/JBRR/article/view/642. Acesso em: 4 apr. 2025.