V.RAMBABU, P; V.RAMARAO, G. Rice Husk Ash as an Admixture of M30 grade Concrete Exposed to Sulfate Environment. International Journal of Engineering and Technology, [S. l.], v. 7, n. 3.31, p. 6–9, 2018. DOI: 10.14419/ijet.v7i3.31.18189. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/18189.. Acesso em: 5 jun. 2025.