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    Intrinsic motivation a new direction in education; a symposium sponsored by the Department of Applied Psychology, the Ontario Institute for Studies in Education, Toronto, June 11-1...

    Julkaistu 1971
    Kirja

    Intrinsic motivation a new direction in education; a symposium sponsored by the Department of Applied Psychology, the Ontario Institute for Studies in Education, Toronto, June 11-13, 1970

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