UNDERSTANDING INTERMEDIATE ALGEBRA:A TEXT/WORKBOOK SECOND EDITION
LEWIS HIRSCH ARTHUR GOODMAN1991 年出版967 页ISBN：0314812989
UNDERSTANDING GLOBALIZATION:THE SOCIAL CONSEQUENCES OF POLITICAL ECONOMIC
AND ENVIRONMENTAL CHANGE 2ND EDITION2002 年出版0 页ISBN：
UNDERSTANDING ELECTRIC POWER SYSTEMS:AN OVERVIEW OF TECHNOLOGY
IEEE PRESS AND JOHN WILEY & SONS2010 年出版0 页ISBN：
UNDERSTANDING AND PREVENTING ONLINE SEXUAL EXPLOITATION OF CHILDREN
ETHEL QUAYLE AND KURT M.RIBISL2012 年出版278 页ISBN：0415689403
IN CONFLICT AND ORDER UNDERSTANDING SOCIETY NINTH EDITION
D.STANLEY EITZEN MAXINE BACA ZINN2001 年出版587 页ISBN：0205306446
STUDY GUIDE FOR UNDERSTANDING SOCIAL PROBLEMS SECOND EDITION
LINDA MOONEY DAVID KNOX CAROLINE SCHACHT2000 年出版236 页ISBN：0534565123
M.A.NAIMARK LINEAR DIFFERENTIAL OPERATORS PART 1 ELEMENTARY THRORY OF LINEAR DIFFERENTIAL OPERATORS
E.R.DAWSON W.N.EVERITT1967 年出版144 页ISBN：
UNDERSTANDING THE NEW DISABILITY AND GENETIC DISCRIMINATION LAWS 2008
JOY WALTEMATH2008 年出版248 页ISBN：
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E.THOMAS SULLIVAN AND JEFFREY L.HARRISON2009 年出版409 页ISBN：1422422615
