BURABARI GOAYII; ADINNA BONIFACE OKAFOR. Comparative Mechanical Performance of High-Strength Concrete Incorporating Locally Sourced Rice Husk Ash Nano-Silica and Imported Nano-Silica. Journal of Education, Science and Engineering, Awka, Nigeria, v. 2, n. 2, p. 318–326, 2026. Disponível em: https://ojs.universityedu.org/index.php/jese/article/view/359. Acesso em: 11 nov. 2026.