Vijay Kalaskar, V., N. Kasinathan, V. Mallikarjuna Subrahmanyam, and J. Venkata Rao. “OPTIMIZATION OF EXTRACELLULAR ACID PROTEASE PRODUCTION FROM ASPERGILLUS NIGER BY FACTORIAL DESIGN”. Journal of Microbiology, Biotechnology and Food Sciences, vol. 4, no. 2, Oct. 2014, pp. 132-6, doi:10.15414/jmbfs.2014.4.2.132-136.