A. . Khanduker, K. Shahidul Islam, L. . Barai, S. S. . Hasan, M. I. . Rafi, and M. R. I. . Rubel, “Environmental surface sampling for qualitative & quantitative detection of microbial burden in high risk areas of three hospitals in Dhaka city”, Bangladesh J Med Microbiol, vol. 15, no. 1, pp. 15–25, Jan. 2021.