SODA LIGNIN FROM PRE-TREATED BIRCH RESIDUE AND ITS POSSIBLE APPLICATION IN BIOCOMPOSITE. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 1, p. 497–502, 2025. DOI: 10.17770/etr2025vol1.8660. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4948.. Acesso em: 11 mar. 2026.