By Obuekwe C.O.   in Biotechnology Letters

ISSN:0141-5492|23|13|1025-1032

Springer Publishing Company ‎(2001)‎

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By Obuekwe C.O.   Al-Zarban S.S.   in Environment International

ISSN:0160-4120|24|8|823-834

Elsevier‎(1998)‎

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