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22Published 1987“...Westview Press,...”
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26Published 1992“...Westview Press,...”
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27Published 1983“...Westview Press,...”
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28Published 1992“...Westview Press,...”
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29Published 1991“...Westview Press,...”
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34
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35Published 1990“...Westview Press,...”
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38Published 1996“...Westview Press,...”
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40Published 1994“...Westview Press,...”
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