- Author: Neba Ndenecho
- Language: English
- Year: 2011
- Author: Adiwan Fahlan Aritenang
- Language: English
- Year: 2016
- Author: World Bank
- Language: English
- Year: 2008
- Author: David Bailey, Leslie Budd
- Language: English
- Year: 2016
- Author: Sylvia Bashevkin
- Language: English
- Year: 2006
- Author: Tyson King-Meadows, Thomas F. Schaller
- Language: English
- Year: 2006
- Author: Janelle A. Kerlin
- Language: English
- Year: 2005
- Author: Giorgio Brosio, Maria Gonzalez, Ehtisham Ahmad
- Language: English
- Year: 2006
- Author: Mercedes Garcia-Escribano, Ehtisham Ahmad
- Language: English
- Year: 2006