Stepwise extraction, functionalization, and composite formation of lignin and silica from rice husk: Synthesis and characterization. SRA - Physical Sciences, [S. l.], v. 1, n. 1, 2025. DOI: 10.63112/94jx1h87. Disponível em: https://sra.com.ng/index.php/sra-physical/article/view/116. Acesso em: 25 aug. 2025.