1
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BF637 .N4 F5
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Getting to yes : negotiating agreement without giving in/Roger Fisher, William Ury; edited by Bruce Patton
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New York, [ United States ] : Penguin Books , 1991
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Fisher, Roger
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38204
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2
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BF637 .N4 U7
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Getting past no : negotiating with difficult people/William Ury
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London, [ United Kingdom ] : Business Books , 1991
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Ury, William
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0712650865
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99048
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3
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|
|
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BF637 .N4 U7
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The power of a posiitive No : How to say no and still get to yes/William Ury
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New York, [ United States ] : Bantam Books , 2007
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Ury, William
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9780553804980
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114073
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