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1
A program for developing drawing skills among children with visual-spatial difficulties
Cyhoeddwyd 2012Traethawd Ymchwil -
2
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3
The child in the physical environment the development of spatial knowledge and cognition
Cyhoeddwyd 1989Llyfr -
4
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5
Children's ability to coordinate perspectives of isolated objects implications for science curriculum development
Cyhoeddwyd 1978Traethawd Ymchwil -
6
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7
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8