Agrawal, R., A. Satlewal, and A. K. Verma. “PRODUCTION OF AN EXTRACELLULAR CELLOBIASE IN SOLID STATE FERMENTATION”. Journal of Microbiology, Biotechnology and Food Sciences, vol. 2, no. 4, Feb. 2013, pp. 2339-50, https://office2.jmbfs.org/index.php/JMBFS/article/view/7496.