Dyfyniad APA

Lovell, K. (1965). Growth of basic mathematical and scientific concepts in children.

Dyfyniad Arddull Chicago

Lovell, K. Growth of Basic Mathematical and Scientific Concepts in Children. University of London Press Ltd., London, 1965.

Dyfyniad MLA

Lovell, K. Growth of Basic Mathematical and Scientific Concepts in Children. 1965.

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