Anuj Kumar Chandel, Chan ES, Ravinder Rudravaram, M. Lakshmi Narasu, L. Venkateswar Rao, and Pogaku Ravindra. 2013. “Economics and Environmental Impact of Bioethanol Production Technologies: An Appraisal”. African Journal of Environmental Economics and Management 1 (1):62-80. https://elixirpublishers.in/index.php/ajeem/article/view/1014.