1. Energy Efficiency & Renewable Energy. Alternative Fuels Data Center;U.S. Department of Energy,2015
2. USDA Agricultural Projections to 2022. Office of the Chief Economist, World Agricultural Outlook Board, U.S. Department of Agriculture. Prepared by the Interagency Agricultural Projections Committee. Long-term Projections Report OCE-2013-1;USDA,2013
3. Biofuels Engineering Process Technology;Drapcho,2008
4. Bioethanol from Sweet Sorghum. A Review of Opportunities;Chindaruksa,2008
5. Sweet Sorghum in China;FAO,2002