- Author: Michael Walton
- Language: English
- Year: 1993
- Author: Francisco H. G. Ferreira Michael Walton World Bank
- Language: English
- Year: 2005
- Author: J. Michael Walton
- Language: English
- Year: 2006
- Author: Vijayendra Rao Michael Walton
- Language: English
- Year: 2004
- Author: Michael Walton Michael Walton Santiago Levy
- Language: English
- Year: 2009
- Author: Marianne McDonald Michael Walton
- Language: English
- Year: 2007