Online publication: Dec. 7, 2009

URI

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DOI

https://doi.org/10.7202/900547ar CopiedAn error has occurred

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

Volume 12, Number 3, 1986, p. 453–455

Tous droits réservés © Revue des sciences de l'éducation, 1986