Online publication: Oct. 10, 2007

URI

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DOI

https://doi.org/10.7202/031694ar CopiedAn error has occurred

A document of the journal Revue des sciences de l’éducation

Volume 19, Number 4, 1993, p. 819–821

Tous droits réservés © Revue des sciences de l'éducation, 1993