1. World Energy Outlook;International Energy Agency,2017
2. International Energy Agency. Transport biofuels – Tracking clean energy progress. (https://www.iea.org/tcep/transport/biofuels).
3. Renewable Fuels Association. Annual Fuel Ethanol Production. U.S. and World Ethanol Production. (https://ethanolrfa.org/statistics/annual-ethanol-production/).
4. Technological trends, global market, and challenges of bio-ethanol production;Mussarro;Biotechnol. Adv.,2010
5. Separation Process Principles. Chemical and Biochemical Operations;Seader,2011