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Egbueri, J. C., & Enyigwe, M. T. (2020). Pollution and Ecological Risk Assessment of Potentially Toxic Elements in Natural Waters from the Ameka Metallogenic District in Southeastern Nigeria. Analytical Letters, 1–28. doi:10.1080/00032719.2020.1759616 
10.1080/00032719.2020.1759616
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