THE CHALLENGE OF EFFECTIVESPEAKING THINTH EDITION
RUDOLPH F.VERDERBER1994 年出版436 页ISBN：0534163327
THE FEDERAL COURTS CHALLENGE AND REFORM
RICHARD A.POSNER1996 年出版413 页ISBN：0674296273
The United States and the challenge of public diplomacy
James Thomas Snyder2013 年出版215 页ISBN：9780230390706
INDIA INSIDE:THE EMERGING INNOVATION CHALLENGE TO THE WEST
NIRMALYA KUMAR，PHANISH PURANAM2012 年出版177 页ISBN：9781422158753
MICROBIAL DISEASE：THE USE OF THE LABORATORY IN DIAGNOSIS
THERAPY AND CONTROL1979 年出版340 页ISBN：0713143207
THE HYDROPOLITICS OF AFRICA A CONTEMPORARY CHALLENGE
2007 年出版344 页ISBN：9781847181121
Economics and the Challenge of Global Warming
Pearson2011 年出版231 页ISBN：9781107011519;1107011515
