Alam, A., L. Ara, A. Begum, and S. I. Khan. “Effect of Amino Acids As Growth Stimulant for Recovery of Shigella Spp”. Dhaka University Journal of Biological Sciences, vol. 20, no. 2, Nov. 2011, pp. 201-4, doi:10.3329/dujbs.v20i2.8981.