- Author: Christopher W. Wells, William Cronon, William Cronon
- Language: English
- Year: 2013
- Author: David McDermott Hughes, K. Sivaramakrishnan
- Language: English
- Year: 2000
- Author: P. Whitney Lackenbauer
- Language: English
- Year: 2006
- Author: Alan Berger
- Language: English
- Year: 1998
- Author: Brenda Case Scheer, Kiril Stanilov
- Language: English
- Year: 2003
- Author: Francis Aidan Hibbert
- Language: English
- Year: 1999
- Author: Vincent Roquet, Luciano Bornholdt, Karen Sirker, Jelena Lukic
- Language: English
- Year: 2017
- Author: Klaus Deininger, Harris Selod, Anthony Burns, World Bank
- Language: English
- Year: 2011
- Author: Thomas M. Hatfield
- Language: English
- Year: 2011
