Singh , Ashok Kumar, and Gauri Singh. “A STUDY OF MULTIPLE HEAVY METAL TOLERANCE IN ROOT NODULATING BACTERIA”. International Journal of Research and Development in Pharmacy & Life Sciences 4, no. 5 (September 15, 2015): 1713-1721. Accessed December 16, 2025. https://www.ijrdpl.com/index.php/ijrdpl/article/view/434.