Smith, Roy H.
International political economy in the 21st century : contemporary issues and analyses
Routledge, 2017
Buku Teks
Waters, Dan
21st century management: keeping ahead of the Japanese and Chinese/ Dan Waters
Prentice-Hall, 1991
Buku Teks
Ward, Ralph D.
21st century corporate board
John Wiley & Sons, 1997
Buku Teks
Yablonsky, Lewis
Juvenile delinquency into the 21st century
Wadsworth, 2000
Buku Teks
Nugent William R.
Practice Evaluation for the 21st Century
Thomson Learning, 2001
Buku Teks