BRIEF PRINCIPLES OF MACROECONOMICS SECOND EDITION
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AMERICAN GOVERNMENT AND POLITICS TODAY:1995-1996 EDITION
STEFFEN W.SCHMIDT MACK C.SHELLEY II BARBARA A.BARDES2222 年出版748 页ISBN：0314043926
AMERICAN GOVERNMENT:CONTINUITY AND CHANGE ALTERNATE 2002 EDITION
KAREN OCONNOR LARRY J.SABATO2002 年出版674 页ISBN：0321086724
ANNUAL EDITIONS AMERICAN GOVERNMENT TWENTY-EIGHTH EDITION
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BEHIND THE SCENES IN AMERICAN GOVERNMENT FIFTH EDITION
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AMERICAN GOVERNMENT ANNUAL EDITIONS THIRTY-FIRST EDITION
BRUCE STINEBRICKNER2001 年出版229 页ISBN：
A MAC FOR THE TEACHER：CLARISWORKS VERSION SECOND EDITION
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Wordperfect made perfectly easy : using version 5.1 second edition
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ROLAND E.LARSON ROBERT P.HOSTETLER1987 年出版904 页ISBN：066912060X
