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L'enseignement des mathématiques

by C. Gattegno, [et al]
Additional authors: Gattegno , C.
Series: Collection L'enseignment des mathématiques Published by : Éditions Delachaux et Niestlé , 1965 Physical details: 173, [2] p. 21 cm Collection: Collection L'enseignment des mathématiques
Subject(s): Matemática , ensino

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