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1Published 1980“...Westview Press,...”
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3Published 1985“...Westview Press,...”
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4Published 1988“...Westview Press,...”
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5Published 1983“...Westview Press,...”
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6Published 1982“...Westview Press,...”
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7
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8Published 1987“...Westview Press,...”
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11Published 1992“...Westview Press,...”
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13
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15Published 1990“...Westview Press,...”
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17Published 1994“...Westview Press,...”
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18
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19Published 1998“...Westview Press,...”
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20Published 2001“...Westview Press,...”
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