Advancing Lignin Extraction Recovery from Natural Lignocellulosic Biomass into Biochemicals. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 25, n. 2, p. 255 – 262, 2024. DOI: 10.21743/pjaec/2024.12.07. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/215. Acesso em: 6 nov. 2025.