Paul, S., S. T. Jhora, and P. P. Dey. “Evaluation of Phenotypic Methods to Identify Extended Spectrum Beta-Lactamase (ESBL) Producing Gram Negative Bacteria”. Bangladesh Journal of Medical Microbiology, vol. 8, no. 1, Feb. 2017, pp. 21-24, doi:10.3329/bjmm.v8i1.31072.