Beecroft, G. D., & Duffy, G. L. M. (2003). Executive guide to improvement and change. Pearson.
Dyfyniad Arddull ChicagoBeecroft, G. Dennis, and Grace L Moran Duffy. Executive Guide to Improvement and Change. New Delhi: Pearson, 2003.
Dyfyniad MLABeecroft, G. Dennis, and Grace L Moran Duffy. Executive Guide to Improvement and Change. Pearson, 2003.
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