NGUYEN VAN THUC; NGUYEN , V. T. Immobilizing metallic copper onto submicron silica synthesized from rice husk ash . Journal of Technical Education Science, [S. l.], v. 13, n. 2, p. 43–47, 2018. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/343. Acesso em: 7 apr. 2026.