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N.J., Etats-Unis) Conférence internationale de la recherche pédagogique (1 ; 1956-02 ; Atlantic City
Œuvres (1)
Report of the first International conference on educational research. Atlantic City, New Jersey, U. S. A. February, 1956...
Report of the first International conference on educational research. Atlantic City, New Jersey, U. S. A. February, 1956...
1956