Herbal Extract Decolourization Device Using Activated Carbon. Jurnal Teknologi, [S. l.], v. 61, n. 1, 2013. DOI: 10.11113/jt.v61.1626. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/1626.. Acesso em: 23 jul. 2024.