Production of Bioethanol from Solid Wastes of Tapioca Flour Industry Through Enzymation and Fermentation Process - Soeprijanto Soeprijanto; Prima Dana Wisesa Adiwarna; Septian Dyah Faristi; Metika Mega Agata; Muhammad Irwan Budianto (Prosiding Seminar Nasional Teknik Kimia "Kejuangan", 2019)