Utilization of Rice Husk Ash and Waste Foundry Sand as Partial Replacement for Cement and Fine Aggregate in Concrete. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135), [S. l.], v. 4, n. 8, p. 47–55, 2018. DOI: 10.31695/IJERAT.2018.3312. Disponível em: https://ijerat.com/index.php/ijerat/article/view/407. Acesso em: 1 may. 2026.