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By Ambachtsheer, Keith P.
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By WWF
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By Parker, D., Parker, David
By Richard Pomfret
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By Franzen, Giep, Bouwman, Margot, Rose, Ruth
By Grant, John
By Rory L Chase
By Management Effectiveness Corporation
By Valerie A Zeithaml, A Parasuraman, Leonard L Berry
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By Walton, Mary, Deming, W. Edwards
By Scholtes, Peter R.
By Hopson, Barrie, Scally, Mike
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By Biggs, Barton
By Martin Webste
By Benjamin Graham
By Professor Lesley King, Jacqui Kempton
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By Kenneth Blanchard / Spencer Johnson
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By Handy, Charles
By Watson, Richard
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