Kumar, G., R. Kumar, and A. Sharma. “Rhizoremediation of Petrol Engine Oil Using Biosurfactants Producing Microbial Consortium in Mustard Crop”. International Journal of Applied Sciences and Biotechnology, vol. 3, no. 2, June 2015, pp. 261-6, doi:10.3126/ijasbt.v3i2.12475.