✦ LIBER ✦
The effectiveness of tangible reward systems with sixth-grade ghetto children in a regular classroom situation: An experimental investigation
✍ Scribed by William B. McMillan
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- English
- Weight
- 447 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0033-3085
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