Hoffman, Laurence D.
McGraw-Hill, 2013
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Hoffmann, Laurence D.
McGraw-Hill, 2008
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Laurence Hoffmann, Gerald L.Bradley, Dave Sobecki, Michael David Price
McGraw-Hill, 2014
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Barnett, Raymod A.
Pearson Education (Prentice Hall), 2008
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Bradley, Teresa
West Sussex Wiley, 2013
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