Reward contingency : standards and intrinsic motivation /
Thesis (Ph.D) - University of New York, 1985
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[s l] : University of New York,
1985
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Thesis (Ph.D) - University of New York, 1985
Prif Awdur: | |
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Fformat: | |
Cyhoeddwyd: |
[s l] : University of New York,
1985
|
Pynciau: |