PORTILLA CASTAÑEDA, Miguel Ricardo; SALAZAR ABANTO, Jhan Carlos; JHEFERSON ALEXIS, Portal Estacio. Physicochemical and Mineralogical Study of Quartz Sandstones for Use as Fine Aggregates in Construction Materials, Quelluacocha Hamlet, Cajamarca – 2025. LACCEI, [S. l.], v. 1, n. 14, 2026. DOI: 10.18687/LACCEI2026.1.1.1911. Disponível em: https://proceedings.laccei.org/index.php/laccei/article/view/7611. Acesso em: 3 oct. 2026.