Ravishankar, D. ., and V. . Sridevi. “Concise Review of Lead & Nickel Toxicity Impacts on Natural Ecosystem and Human Health: DOI: https://doi.Org/10.55434/CBI.2020.8105”. Caribbean Journal of Sciences and Technology, vol. 8, no. 1, Jan. 2020, pp. 082-9, doi:10.55434/CBI.2020.8105.