Salaheen, S., Mamun, M. A. A., Khan, S. N. and Hoq, M. M. (2015) “Improvement of Bacillus licheniformis MZK05 by mutation for increased production of keratinase”, Dhaka University Journal of Biological Sciences, 24(1), pp. 17–23. doi: 10.3329/dujbs.v24i1.46304.