Saha, Mili Rani, and Sanya Tahmina Jhora. 2018. “Detection of Extended Spectrum Beta-Lactamase Producing Gram-Negative Organisms: Hospital Prevalence and Comparison of Double Disc Synergy and E-Test Methods”. IMC Journal of Medical Science 12 (1):32-36. https://banglajol.info/index.php/IMCJMS/article/view/35176.