Hoyos-Montilla, A. A., Y. P. Arias-Jaramillo, and J. I. Tobón. “Evaluation of Cements Obtained by Alkali-Activated Coal Ash With NaOH Cured at Low Temperatures”. Materiales de Construcción 68, no. 332 (December 30, 2018): e170. Accessed April 25, 2024. https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2232.