PHYSICOCHEMICAL CHARACTERIZATION OF BIODEGRADABLE PLASTIC FROM UWI TUBER STARCH (DIOSCOREA ALATA) WITH SORBITOL AND CMC (CARBOXYMETHYL CELLULOSE) AS PLASTICIZER ADDITION - Indriani, Dina Wahyu (Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya, 2019)