Singh, R. P., and P. N. Jha. “Characterization and Optimization of Alkaline Protease Production from Bacillus Licheniformis HSW-16 Isolated from Sambhar Salt Lake”. International Journal of Applied Sciences and Biotechnology, Vol. 3, no. 2, June 2015, pp. 347-51, doi:10.3126/ijasbt.v3i2.12757.