“The Influence Of Reactant Ratio (Eupcalyptus Lignin – Sodium Bisulfite) And Initial Ph Towards Characteristcs Of Sodium Lignosulfonate”, JTIP, vol. 19, no. 2, May 2010, Accessed: Mar. 31, 2026. [Online]. Available: https://journal.ipb.ac.id/jurnaltin/article/view/1079