1
Published 2008
OECD Publishing

2
Published 2010
OECD Publishing

3
Published 2001
OECD Publishing

4
Published 2008
Ministry of Environment, Spain

5
Published 2004
OECD Publishing

6
Published 2004
Ministry of Environment, Spain

8
Published 2011
OECD Publishing

9
Published 2006
OECD Publishing

10
Published 2011
OECD Publishing

11
by Santiso, Javier
Published 2009
OECD Publishing

12
Published 2004
United Nations Economic Commission for Latin America and the Caribbean

13
Published 2000
OECD Publishing

14
Published 2010
OECD Publishing

15
Published 2011
OECD Publishing

16
Published 2011
OECD Publishing

17
Published 2005
Fondo Nacional del Programa Nacional de Apoyo para las Empresas de Solidaridad

18
Published 2008
OECD Publishing

19
Published 2013
OECD Publishing

20
Published 2016
Ministerio de Asuntos Exteriores y de Cooperación