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Ofoegbu, C.J and Akubugwo, E.I and Dike, C.C and Maduka, HCC and Ugwu, C.E and Obasi, N.A (2013) Effects of Heavy Metals on Soil Enzymatic Activities in the Ishiagu Mining Area of Ebonyi State-Nigeria. IOSR Journal Of Environmental Science, Toxicology And Food Technology, 5 (6). pp. 66-71. ISSN 2319-2402