Effect of Nano-Silica on Sodium Hydroxide Activated Blended Millet Husk Ash-Calcium Carbide Residue Concrete. Environmental Technology & Science Journal, [S. l.], v. 17, n. 1, p. 139–149, 2026. Disponível em: https://journal.futminna.edu.ng/index.php/etsj/article/view/246.. Acesso em: 8 jun. 2026.