Experimental and quasi-experimental designs for generalized causal inference
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| Main Author: | |
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| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Belmont, USA :
Wadsworth Cengage Learning,
2002
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| Series: | Περιέχει βιβλιογραφικές αναφορές (σ.514-591)
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| Subjects: | |
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