“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: Jun. 21, 2026. [Online]. Available: https://journal.ipb.ac.id/jurnaltin/article/view/4758