EXPERIMENTAL INVESTIGATION OF CONCRETE WITH PARTIAL REPLACEMENT OF RIVER SAND BY SEA SAND AS FINE AGGREGATE. International Journal of Engineering Research and Science & Technology, [S. l.], v. 21, n. 1, p. 422–43`1, 2025. DOI: 10.62643/. Disponível em: https://ijerst.org/index.php/ijerst/article/view/574. Acesso em: 16 aug. 2026.