Study the adsorption of lignin on surface of poly vinyl chloride. Journal of the College of Basic Education, [S. l.], v. 24, n. 100, p. 25–34, 2022. DOI: 10.35950/cbej.v24i100.6463. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6463.. Acesso em: 28 apr. 2025.