Characteristics of M30 Grade Concrete using Copper Slag as Partial Replacement for River Sand as Fine Aggregate. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135), [S. l.], v. 7, n. 5, p. 10–18, 2021. DOI: 10.31695/IJERAT.2021.3709. Disponível em: https://ijerat.com/index.php/ijerat/article/view/546. Acesso em: 14 nov. 2026.