Bioethanol Production from Liquid Waste of Rice Flour with Batch Process Sari Ni Ketut, S Sutiyono, E Luluk, Ernawati Dira, Wesen Putu and Tatik Sri Hajati MATEC Web of Conferences, 58 (2016) 01003 Published online: 23 May 2016 DOI: 10.1051/matecconf/20165801003