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EDITED BY JAMES P.PFIFFNER ROGER H.DAVIDSON2003 年出版471 页ISBN：
PUBLIC ADMINISTRATION UNDERSTANDING MANAGEMENT，POLITICS，AND LAW IN THE PUBLIC SECTOR SECOND EDITIO
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SUSAN WELCH JOHN GRUHL JOHN COMER SUSAN M.RIGDON著2222 年出版621 页ISBN：0534647499
understanding your health seventh edition
WAYNE A.PAYNE，Ed.D. DALE B.HAHN，Ph.D.2222 年出版772 页ISBN：0072353236
ESSENTIALS OF UNDERSTANDING PSYCHOLOGY SIXTH EDITION
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