Extraction of Lignosulfonate using TOA-Kerosene-PVDF in Supported Liquid Membrane Process. Jurnal Teknologi, [S. l.], v. 67, n. 2, 2014. DOI: 10.11113/jt.v67.2737. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/2737.. Acesso em: 23 jul. 2024.