AL-THAIRY, Haitham. Effect of Using River Sand on The Strength of Normal and High Strength Concrete. International Journal of Engineering & Technology, [S. l.], v. 7, n. 4.20, p. 222–228, 2018. DOI: 10.14419/ijet.v7i4.20.25930. Disponível em: https://sciencepubco.com/index.php/ijet/article/view/25930.. Acesso em: 4 may. 2024.