Ulloa, Néstor, Ember G. Zumba Novay, Marí­a Albuja, and Diego Mayorga. “Modeling the Compressive Strength of Metakaolin-Based Self-Healing Geopolymer Concrete Using Machine Learning Models”. Civil Engineering Journal 11, no. 4 (April 1, 2025): 1596–1623. Accessed July 1, 2025. https://civilejournal.org/index.php/cej/article/view/5907.