Effect of quick lime addition for improving compressive strength of fly ash based (cement free) geopolymer concrete. Indian Journal of Engineering and Materials Sciences (IJEMS), [S. l.], v. 32, n. 04, p. 417–424, 2025. DOI: 10.56042/ijems.v32i04.14934. Disponível em: https://or.niscpr.res.in/index.php/IJEMS/article/view/14934. Acesso em: 26 may. 2026.