Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Festinger, Leon, 1919-1989', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Conflict, decision, and dissonance. gan Festinger, Leon, 1919-1989

    Cyhoeddwyd 1964
    Llyfr

    Conflict, decision, and dissonance.

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