- Author: World Bank
- Language: English
- Year: 2009
- Author: Carl J. Dahlman
- Language: English
- Year: 2005
- Author: World Bank
- Language: English
- Year: 2010
- Author: Paul Glewwe Nisha Agrawal David Dollar
- Language: English
- Year: 2004
- Author: World Bank
- Language: English
- Year: 2001
- Author: World Bank
- Language: English
- Year: 2010
- Author: World Bank
- Language: English
- Year: 2010
- Author: World Bank
- Language: English
- Year: 2010