Natarajan, K., and R. Subashkumar. 2017. “Incidence of Multi Drug Resistance and Diversity of TEM-1 Beta Lactamase in Gram Negative Bacteria Isolated from Clinical and Environmental Sample”. International Journal of Applied Sciences and Biotechnology 5 (3), 302-8. https://doi.org/10.3126/ijasbt.v5i3.17693.