Muliawati, E.C., Larasati, N., Khotimah, N.Q. and Permadi, A. 2026. Effect of Cellulose-to-Starch Ratio and Sorbitol Concentration on the Mechanical, Physical, and Biodegradation Properties of OPEFB-Based Bioplastics. CHEMICA: Jurnal Teknik Kimia. 13, 2 (Sep. 2026), 104–113. DOI:https://doi.org/10.26555/chemica.v13i2.569.