Popescu, Calin
John Wiley & Sons, 1995
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Popescu, Calin, author
Wiley, 1995
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Patrick, Charles, author
Pearson/Prentice Hall, 2004
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Kerzner, Harold R., author
Van Nostrand Reinhold, 1995
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Kerzner, Harold R., author
John Wiley & Sons, 2006
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