Álvarez Mantilla, Hernando, Carlos Alberto Rios Reyes, and Oscar Mauricio Castellanos Alarcón. “Physicomechanical Properties, Performance and Durability of Colombian Natural Puzzolan of Pumice-Type Based Geopolymer Mortars”. INGE CUC 17, no. 1 (February 8, 2021): 216–229. Accessed April 27, 2025. https://ojstest.certika.co/ingecuc/article/view/2573.