KUMAR DAS, Sourav. Parametric study of flyash based geopolymer concrete. International Journal of Engineering and Technology, [S. l.], v. 7, n. 2.31, p. 196–198, 2018. DOI: 10.14419/ijet.v7i2.31.13439. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/13439.. Acesso em: 12 apr. 2025.