Pre-Treatment of Empty Oil Palm Bunches (EOPB) Using Autoclave with Variations in H2SO4 Solvent Concentration to Increase Cellulose Content. JCPE [Internet]. 2024 Nov. 30 [cited 2025 Jun. 29];9(2):158-66. Available from: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/986