Issues and challenges in Asian Journalism
Hao Xiaoming; Sunanda K. Datta-Ray
Marshall Cavendish, 2006
 Buku Teks
Contemporary issues in educational testing
edited by Hans F. Crombag and Dato N. De Gruijter
Mouton, 1974
 Buku Teks
The challenges of Asian distance educational development
 Artikel Jurnal
American government: issues and challenges of the 1980s
by Robert M. Bigler ... [and others]
Kendall/Hunt, 1982
 Buku Teks
New challenges for ASEAN: emerging policy issues
edited by Amitav Acharya and Richard Stubbs
UBC Press, 1995
 Buku Teks