MEJÍA, J.; RODRÍGUEZ, E. D.; MEJÍA DE GUTIÉRREZ, R. Potential utilization of a low quality-fly ash as an aluminosilicate source in the production of geopolymers. Ingenieria y Universidad, [S. l.], v. 18, n. 2, p. 309 - 328, 2014. DOI: 10.11144/Javeriana.IYU18-2.upcv. Disponível em: https://revistas.javeriana.edu.co/index.php/iyu/article/view/5887. Acesso em: 15 apr. 2021.