1 - 1 toradh á dtaispeáint as 1 toradh san iomlán ar an gcuardach 'Savage-Rumbaugh, E. Sue', am iarratais: 0.01s Beachtaigh na torthaí
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    Ape language from conditioned response to symbol de réir Savage-Rumbaugh, E. Sue

    Foilsithe / Cruthaithe 1986
    LEABHAR