1
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LB1027 .L5
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Strategies for change
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Berkeley, CA, [ United States ] : Pacific Soundings Press , 1978
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Lindquist, Jack
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23061
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2
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BF723 .C4 P513
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The origin of the idea of chance in children/Jean Piaget and Barret Inhelder; translated by Lowell Leake, Paul Burrel and Harold D. Fishbein
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London, [ United Kingdom ] : Routledge and Kegan Paul , 1975
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Piaget, Jean
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0710082002
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104405
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