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1Published 1977“...Westview Press,...”
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7Published 1985“...Westview Press,...”
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8Published 1987“...Westview Press,...”
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9Published 1988“...Westview Press,...”
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10Published 1984“...Westview Press,...”
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13Published 1982“...Westview Press,...”
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19Published 1989“...Westview Press,...”
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20Published 1989“...Westview Press,...”
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