Andres, Ana
Chandos Publishing, 2009
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Hasso Plattner, Christoph Meinel, Larry Leifer, editors
[Springer-Verlag, ], 2012
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Robinson, Dana Gaines
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
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Weil, Andrew
Houghton Miffiln, 1998
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