Islam in Southeast Asia : political, social and strategic challenges for the 21st century
edited by K.S. Nathan and Mohammad Hashim Kamali
ISEAS, 2005
 Buku Teks SO
Korea's strategic environment in the 21st century
 Artikel Jurnal
Asia, Kyushu, and tourism in the 21st century
Asia-Pacific Center, [Date of publication not identified]
 Buku Teks
Sakhuja, Vijay
Asian maritime power in the 21st century: strategic transactions : China, India, and Southeast Asia
Institute of South East Asia Studies, 2011
 eBooks
Cravens, David W.
Strategic marketing management cases
Irwin, McGraw-Hill, 2002
 Buku Teks SO