VIET DUC, N. Experimental Water Quality Analysis from the Use of High Sulfuric Fly Ash as Base Course Material for Road Building. Engineering, Technology & Applied Science Research, Greece, v. 9, n. 5, p. 4627–4630, 2019. DOI: 10.48084/etasr.2991. Disponível em: https://etasr.com/index.php/ETASR/article/view/2991. Acesso em: 19 jan. 2022.