STRENGTH AND DURABILITY EVALUATION OF FLY ASH-BASED GEOPOLYMER CONCRETE. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 3, p. 623–626, 2026. DOI: 10.62643/. Disponível em: https://ijerst.org/index.php/ijerst/article/view/4123. Acesso em: 29 jul. 2026.