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1Published 1977“...Westview Press,...”
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2Published 1979“...Westview Press,...”
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3
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7Published 1988“...Westview Press,...”
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8Published 1984“...Westview Press,...”
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9Published 1983“...Westview Press,...”
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11
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12
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13
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14Published 1988“...Westview Press,...”
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15
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16Published 1986“...Westview Press,...”
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18Published 1988“...Westview Press,...”
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19Published 1988“...Westview Press,...”
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20