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ISSN:1360-0494|8|2|277-294

Taylor & Francis Ltd‎(1996)‎

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By Ma Zhongxu   Silver Daniel L.   Shakshuki Elhadi M.   in International Journal of Web and Grid Services

ISSN:1741-1106|6|1|1-34

Inderscience Publishers‎(2010)‎

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