“Production Of Sodium Lignosulphonate From Isolated Lignin Of Empty Fruit Bunch : Indentification And Performance Test As A Dispersant Agent”. Jurnal Teknologi Industri Pertanian 19, no. 1 (May 19, 2010). Accessed March 31, 2026. https://journal.ipb.ac.id/jurnaltin/article/view/1101.