A. K. Gomes, H. Akhter, B. Mahmud, S. I. Khan, and A. Begum, “Prevalence and characterization of multi-drug resistant <i>Escherichia coli</i> from urine samples”, Dhaka Univ. J. Biol. Sci, vol. 20, no. 1, pp. 23–30, Nov. 2011.