“OPTIMIZATION PROCESS OF TEMPERATURE AND SODIUM BISULPHITE (NAHSO3) CONCENTRATION ON THE PRODUCTION OF SODIUM LIGNOSUPHONATE BASED ON PALM EMPTY FRUIT BUNCH(EFB)”, JTIP, vol. 18, no. 2, Apr. 2012, Accessed: Dec. 23, 2025. [Online]. Available: https://journal.ipb.ac.id/jurnaltin/article/view/4758