1.
Portilla Castañeda MR, Salazar Abanto JC, Jheferson Alexis PE. Physicochemical and Mineralogical Study of Quartz Sandstones for Use as Fine Aggregates in Construction Materials, Quelluacocha Hamlet, Cajamarca – 2025. LACCEI. 2026;1(14). doi:10.18687/LACCEI2026.1.1.1911