SUPELANO GARCÍA, I., ORTÍZ OTÁLORA, C.A., PARRA VARGAS, C.A. and MEJÍA GÓMEZ, J.A. 2021. Assessment of hydrothermal parameters on alkaline activation of fly ashes using a central composite design. Journal of Metals, Materials and Minerals. 31, 2 (Jun. 2021), 54–61. DOI:https://doi.org/10.55713/jmmm.v31i2.1050.