The Effect of Rice Field Snail Shell Powder Addition as a Fine Aggregate Substitution Material in Concrete Production. Technema: Journal of Intelligent Engineering and Computing, [S. l.], v. 1, n. 3, p. 330–344, 2026. Disponível em: https://sovereignresearch.org/technema/article/view/316. Acesso em: 19 sep. 2026.