VIRENDER SINGH, P.K. CHAUHAN, SEEMA, ANKUR TYAGI, ANU KUMAR, and VIVEK KUMAR. 2010. “ISOLATION AND ANTIBIOGRAM PATTERN OF E. COLI ISOLATES HAVING HEAVY METALS TOLERANCE”. International Journal of Pharma and Bio Sciences 1 (3):1-7. https://ijpbs.net/index.php/journal/article/view/365.