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Chapitre d'ouvrage:
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Clé de citation BibTeX: Vergnaud1982
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Vergnaud, G. (1982). A classification of cognitive tasks and operations of thought involved in addition and subtraction problems. In T. P. Carpenter, J. M. Moser & T. A. Romberg (Eds.), Addition and substraction : A cognitive perspective (pp. 39–59). Hillsdale, NJ: Erlbaum.
Ajoutée par: Lynda Taabane 2008-01-16 17:51:15
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