FARFÁN CÓRDOVA, Marlon Gastón; RAMÍREZ ALAYO, Ederlin; RUBIO REYES, Marcos Josué. Fly ash as a substitute for cement and polypropylene fibers in concrete mix design. LACCEI, [S. l.], v. 1, n. 12, 2025. DOI: 10.18687/LACCEI2025.1.1.451. Disponível em: https://proceedings.laccei.org/index.php/laccei/article/view/3639. Acesso em: 18 may. 2026.