SUPELANO GARCÍA, I., C. A. ORTÍZ OTÁLORA, C. A. PARRA VARGAS, and J. A. MEJÍA GÓMEZ. “Assessment of Hydrothermal Parameters on Alkaline Activation of Fly Ashes Using a Central Composite Design”. Journal of Metals, Materials and Minerals, vol. 31, no. 2, June 2021, pp. 54-61, doi:10.55713/jmmm.v31i2.1050.