Kumar, Govind, Rajesh Kumar, and Anita Sharma. “Rhizoremediation of Petrol Engine Oil Using Biosurfactants Producing Microbial Consortium in Mustard Crop”. International Journal of Applied Sciences and Biotechnology 3, no. 2 (June 25, 2015): 261-266. Accessed May 16, 2021. https://www.nepjol.info/index.php/IJASBT/article/view/12475.