1. Singh, J.S., Abhilash, P.C., Singh, H.B., Singh, R.P. and Singh, D.P., 2011. Genetically engineered bacteria: an emerging tool for environmental remediation and future research perspectives. Gene, 480(1-2): 1-9.
2. Galiulin, R.V., Bashkin, V.N., Galiulina, R.A. and Kucharski, R., 2002. Airborne soil contamination by heavy metals in Russia and Poland, and its remediation. Land Contamination & Reclamation, 10(3): 179-187.
3. Girma, G., 2015. Microbial bioremediation of some heavy metals in soils: an updated review. Egyptian Academic Journal of Biological Sciences, G. Microbiology, 7(1): 29-45.
4. Dixit, R., Malaviya, D., Pandiyan, K., Singh, U.B., Sahu, A., Shukla, R., Singh, B.P., Rai, J.P., Sharma, P.K., Lade, H. and Paul, D., 2015. Bioremediation of heavy metals from soil and aquatic environment: an overview of principles and criteria of fundamental processes. Sustainability, 7(2): 2189-2212.
5. Athar, M. and Vohora, S.B., 1995. Heavy metals and environment. New Age International (P) Limited, New Delhi.
6. Hussein, H., Farag, S. and Moawad, H., 2003. Isolation and characterization of Pseudomonas resistant to heavy metals contaminants. Arab Journal of Biotechnology, 7: 13-22.
7. Perelo, L.W., 2010. In situ and bioremediation of organic pollutants in aquatic sediments. Journal of Hazardous Materials, 177(1-3): 81-89.
8. Deepali, A., 2011. Bioremediation of Chromium (VI) from textile industry’s effluent and contaminated soil using Pseudomonas putida. Iranian (Iranica) Journal of Energy and Environment, 2(1): 24-31.
9. Atikpo, E., 2016. Spatial Distribution and Attenuation of Heavy Metals Pollution in Amaonye Ishiagu Forest Soils. A PhD Thesis Submitted to the Department of Civil Engineering, University of Benin, Benin City, Nigeria.
10. Murthy, S., Bali, G. and Sarangi, S.K., 2012. Biosorption of lead by Bacillus cereus isolated from industrial effluents. British Biotechnology Journal, 2(2): 73-84.
11. Samarth, D.P., Chandekar, C.J. and Bhadekar, R.K., 2012. Biosorption of heavy metals from aqueous solution using Bacillus licheniformis. International Journal of Pure and Applied Sciences and Technology, 10(2): 12-19.
12. Chiroma, T.M., Ebewele, R.O. and Hymore, F.K., 2014. Comparative assessment of heavy metal levels in soil, vegetables and urban grey waste water used for irrigation in Yola and Kano. International Refereed Journal of Engineering and Science, 3(2): 1-9.
13. Cheesbrough, M., 2006. District Laboratory Practice in Tropical Countries Part 2, Cambridge University Press. New York,
14. Cowan, S.T., 2004. Cowan and Steel’s manual for the identification of medical bacteria. Cambridge university press. New York.
15. Baron, E.J., Peterson, L.R. and Finegold, S,M., 1994. Bailey and scotts’ diagnostic microbiology, 9th edition, Mosby company, Baltimore.
16. Holt, J.G., 1977. The shorter Bergey’s manual of determinative bacteriology. The shorter Bergey’s manual of determinative bacteriology. 8th edition. Williams and Willkins Company, Baltimore.
17. Lima, E.C., Royer, B., Vaghetti, J.C., Brasil, J.L., Simon, N.M., dos Santos Jr, A.A., Pavan, F.A., Dias, S.L., Benvenutti, E.V. and da Silva, E.A., 2007. Adsorption of Cu (II) on Araucaria angustifolia wastes: determination of the optimal conditions by statistic design of experiments. Journal of Hazardous Materials, 140: 211-220.
18. Atikpo, E. and Micheal, A., 2018. Performance Evaluation of Six Microorganisms Utilized for the Treatment of Lead Contaminated Agricultural Soil. Journal of Applied Sciences and Environmental Management, 22(7): 1105-1109.
19. Augustine, A.A., Orike, B.D. and Edidiong, A.D., 2007. Adsorption kinetics and modeling of Cu (II) ion sorption from aqueous solution by mercaptoacetic acid modified cassava (manihot sculenta cranz) wastes. Journal of Environmental, Agricultural and Food Chemistry, 6(4): 2221- 2234.
20. Igwe, J.C. and Abia, A.A., 2007. Adsorption kinetics and intraparticulate diffusivities for bioremediation of Co (II), Fe (II) and Cu (II) ions from waste water using modified and unmodified maize cob. International Journal of Physical Sciences, 2(5): 119-127.
21. McKay, G. and Poots, V.J., 1980. Kinetics and diffusion processes in colour removal from effluent using wood as an adsorbent. Journal of Chemical Technology and Biotechnology, 30(1): 279-292.
22. Chien, S.H. and Clayton, W.R., 1980. Application of Elovich equation to the kinetics of phosphate release and sorption in soils. Soil Science Society of America Journal, 44(2): 265-268.
23. Ho, Y.S., McKay, G., Wase, D.A.J. and Forster, C.F., 2000. Study of the sorption of divalent metal ions on to peat. Adsorption Science & Technology, 18(7): 639-650.
24. Lopez, A., Lazaro, N., Priego, J.M. and Marques, A.M., 2000. Effect of pH on the biosorption of nickel and other heavy metals by Pseudomonas fluorescens 4F39. Journal of Industrial Microbiology and Biotechnology, 24(2): 146-151.
25. Gourdon, R., Bhende, S., Rus, E. and Sofer, S.S., 1990. Comparison of cadmium biosorption by Gram-positive and Gram-negative bacteria from activated sludge. Biotechnology Letters, 12(11): 839-842.
26. Korenevskii, A.A., Khamidova, K.H., Avakyan, Z.A. and Karavaiko, G.I., 1999. Silver biosorption by micromycetes. Microbiology, 68(2): 139-145.
27. McLean, R.J.C. and Beveridge, T.J., 1990. Metal-binding capacity of bacterial surfaces and their ability to form mineralized aggregates. In: Microbial Mineral Recovery, pp.185-222.
28. Brady, D. and Duncan, J.R., 1994. Bioaccumulation of metal cations by Saccharomyces cerevisiae. Applied Microbiology and Biotechnology, 41(1): 149-154.
29. AjayKumar, A.V., Darwish, N.A. and Hilal, N., 2009. Study of various parameters in the biosorption of heavy metals on activated sludge. World Applied Sciences Journal, 5(5): 32-40
30. Thieman, W.J., 2009. Introduction to biotechnology. Pearson Education India.
31. Chatain, V., Bayard, R., Sanchez, F., Moszkowicz, P. and Gourdon, R., 2005. Effect of indigenous bacterial activity on arsenic mobilization under anaerobic conditions. Environment International, 31(2): 221-226.
32. Guo, H., Luo, S., Chen, L., Xiao, X., Xi, Q., Wei, W., Zeng, G., Liu, C., Wan, Y., Chen, J. and He, Y., 2010. Bioremediation of heavy metals by growing hyperaccumulaor endophytic bacterium Bacillus sp. L14. Bioresource technology, 101(22): 8599-8605.
33. Norris, P.R. and Kelly, D.P., 1977. Accumulation of cadmium and cobalt by Saccharomyces cerevisiae. Microbiology, 99(2): 317-324.
34. Damodaran, D., Suresh, G. and Mohan, R., 2011. Bioremediation of soil by removing heavy metals using Saccharomyces cerevisiae. In 2nd international conference on environmental science and technology. Singapore. pp.22-27.
35. Lin, C.C. and Lin, H.L., 2005. Remediation of soil contaminated with the heavy metal (Cd2+). Journal of hazardous materials, 122(1-2): 7-15.
36. Kang, C.H., Kwon, Y.J. and So, J.S., 2016. Bioremediation of heavy metals by using bacterial mixtures. Ecological Engineering, 89: 64-69.
37. Owamah, H.I., 2014. Biosorptive removal of Pb (II) and Cu (II) from wastewater using activated carbon from cassava peels. Journal of Material Cycles and Waste Management, 16(2): 347-358.
38. Boparai, H.K., Joseph, M. and O’Carroll, D.M., 2011. Kinetics and thermodynamics of cadmium ion removal by adsorption onto nano zerovalent iron particles. Journal of Hazardous Materials, 186(1): 458- 465.