R. Christopher
发表
R. Christopher,
1987
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Mitchell,
R. Christopher,
Webb,
1988
.
R. Christopher,
1983
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Mitchell,
R. Christopher,
Webb,
1988
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R. Christopher,
1986
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Robert C. Christopher,
R. Christopher,
1991
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Mitchell,
Landon,
Hancock,
2007,
The Palgrave Encyclopedia of Peace and Conflict Studies.
Robert C. Christopher,
R. Christopher,
Bernard Saint-Jacques,
1985
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Mitchell,
Hancock,
R. Christopher,
2007
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Mitchell,
Banks,
R. Christopher,
1996
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Robert C. Christopher,
R. Christopher,
1987
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