Horton, William
Evaluating e-learning: here in how you can: predict success, measure value, prove worth
ASTD Press, 2001
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Carter, Neil
How Organozations measure success
Routledge, 1995
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Hubbard, Douglas W.
How to measure anything: finding the value of intangibles in business
Wiley, 2014
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Hubbard, Douglas W.
How to measure anything : finding the value of intangibles in businesse
John Wiley & Sons, 2007
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How To Measure ........
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