* Assiut University Bulletin For Environmental Researches Vol. 8 No.1, March 2005 Contents
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31 |
M. Abd El-Nasser; A. Shehata; Eman, E. El-Sharkawy and D. A. Salem
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41 |
Abd El-Rahman Ahmed Ali
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51 |
Mohamed El-Ameen, A. Farragallah and Mahmoud A. Essa
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