Syahbirin G, Darwis AA, Suryani A, Syafii W. The Influence Of Reactant Ratio (Eupcalyptus Lignin – Sodium Bisulfite) And Initial Ph Towards Characteristcs Of Sodium Lignosulfonate. J.Tek.Ind.Pert. [Internet]. 2010May18 [cited 2024Nov.22];19(2). Available from: https://journal.ipb.ac.id/index.php/jurnaltin/article/view/1079