Punished by rewards : the trouble with gold stars, incentive plans, As, praise, and other bribes /
32
Main Author: | |
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Format: | |
Language: | eng |
Published: |
Boston : Houghton Mifflin Company,
1999
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Subjects: |
32
Main Author: | |
---|---|
Format: | |
Language: | eng |
Published: |
Boston : Houghton Mifflin Company,
1999
|
Subjects: |