Kumar Mandal, Ajoy, et al. “Monitoring Ground Water Quality and Heavy Metals in Soil During Large-Scale Bioremediation of Petroleum Hydrocarbon Contaminated Waste in India: Case Studies”. JNRD - Journal of Natural Resources and Development, vol. 4, Oct. 2014, pp. 65-74, doi:10.5027/jnrd.v4i0.10.