LESTARI, D.; MASRIAH, I. . A Review on Valorization of Coal Fly Ash into High-Purity Silica: Extraction Methods, Applications, and Future Perspectives. Research in Chemical Engineering, [S. l.], v. 5, n. 1, 2026. Disponível em: https://ejournal.ump.ac.id/rice/article/view/416. Acesso em: 28 apr. 2026.