✦ LIBER ✦
Teaching addition and subtraction with regrouping to educable mentally retarded children: A group self-instructional training program
✍ Scribed by Thomas Whitman; Mary Beth Johnston
- Book ID
- 113991465
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 925 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0005-7894
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