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Weinheim [u.a.]: Beltz, 1972
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Informa UK Limited, 1984
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Informa UK Limited, 1979
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Informa UK Limited, 1980
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Informa UK Limited, 1977
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SAGE Publications, 1976
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Informa UK Limited, 1976
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Informa UK Limited, 1976
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Informa UK Limited, 1976
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Informa UK Limited, 1977
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Informa UK Limited, 1978
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Informa UK Limited, 1971
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The American Association for Higher Education, The Ohio State University Press, 1971
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Informa UK Limited, 1970
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SAGE Publications, 1960
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Informa UK Limited, 1960
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Informa UK Limited, 1960
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The Ohio State University Press, 1960
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American Association for the Advancement of Science (AAAS), 1959
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American Association for the Advancement of Science, 1959