1
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JX1952 .B3
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Introduction to peace studies
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San Francisco, [ United States ] : Wadsworth Publishing Company , 1991
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Barash, David P.
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35269
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2
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JZ5538 .B3
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Peace and conflict studies/David P. Barash, Charles P. Webel
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Los Angeles, [ United States ] : Sage Publications, Inc. , 2009
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Barash, David P.
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9781412961202
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93723
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