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251
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Insights & outcomes assessments of great explorations in math and science(GEMS)
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254
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255
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256
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257
Subject learning in the primary curriculum issues in English, science, and mathematics
Cyhoeddwyd 1995Llyfr -
258
The new sourcebook for teaching reasoning and problem solving in elementary school
Cyhoeddwyd 1995Llyfr -
259
New directions in elementary school mathematics interactive teaching and learning
Cyhoeddwyd 1995Llyfr -
260


