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. DOI: 10.30595/rice.v5i1.416. Disponível em: http://ejournal.ump.ac.id/index.php/rice/article/view/416. Acesso em: 6 jul. 2026.