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51
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52
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53
The Child's conception of number = Les Genese du numbre chez l'enfant
Foilsithe / Cruthaithe 1952LEABHAR -
54
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55
Introduction to mathematical thinking the formation of concepts in modern mathematics
Foilsithe / Cruthaithe 1951LEABHAR -
56
Introduction to mathematical thinking the formation of concepts in modern mathematics
Foilsithe / Cruthaithe 1951LEABHAR -
57
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58
Number, the language of science a critical survey written for the cultured non-mathematician
Foilsithe / Cruthaithe 1939LEABHAR -
59