CHRISNASARI, R., SUSETYO, D. H., SUGIANTO, A. P. and PANTJAJANI, T. (2013) “Optimization Modeling of Ethanol Production from Shorgum bicolor grain: Comparison between Separate Hydrolysis Fermentation and Simultaneous Saccharification Fermentation”, Microbiology Indonesia, 7(1), p. 2. doi: 10.5454/mi.7.1.2.