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1Published 1991“...Sage Publications,...”
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5Published 1986“...Sage Publications, in association with the Open University,...”
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6Published 1989“...Sage Publications in association with the Open University,...”
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7Published 1997“...Sage Publications in association with the Open University,...”
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8Published 2000“...Open University in association with SAGE Publications,...”
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9Published 2000“...SAGE Publications in association with The Open University,...”
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10Published 1999“...Sage Publications in association with The Open University,...”
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11Published 1992“...Published in association with the Open University, Sage Publications,...”
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