Evaluation of the Effect of Rice husk ash on the Mechanical Properties and Gamma Ray Attenuation of Concrete. Journal of Civil Engineering Researchers, [S. l.], v. 8, n. 2, p. 15–41, 2026. DOI: 10.61186/JCER.8.2.15. Disponível em: https://www.journals-researchers.com/ojs/index.php/jcer/article/view/229. Acesso em: 15 jun. 2026.