Goyal, Liza, and Sunil Khanna. “Recent Advances in Microbial Production of Butanol As a Biofuel”. International Journal of Applied Sciences and Biotechnology 7, no. 2 (June 26, 2019): 130–152. Accessed March 28, 2024. https://www.nepjol.info/index.php/IJASBT/article/view/24630.