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平台:
Annual Reviews
(Available from 1998.)
Annual Reviews Journals Archive
(Available from 1998 until 2008.)
EBSCOhost Academic Search Complete
(Available from 1998 volume: 1 issue: 1 until 2005 volume: 8 issue: 1.)
EBSCOhost Business Source Complete
(Available from 1998/06/01 until 2005/06/30.)
EBSCOhost Political Science Complete
(Available from 1998/06/01 until 2005/06/30.)