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4Published 1991“...Sage Publications,...”
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6Published 1987“...Sage in association with the Open University,...”
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7Published 1989“...Sage in association with Open University,...”
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8Published 2004“...Sage in Association with the Open University,...”
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9Published 1997“...Sage in association with the Open University,...”
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10Published 2000“...Open University in association with SAGE Publications,...”
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11Published 1992“...Published in association with the Open University, Sage Publications,...”
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