1
Published 2008
Ministry of Labor and Social Affairs, Spain

2
Published 2010
Instituto Nacional de Administración Pública

3
Published 2005
Fundacion E

4
Published 2010
Universidad Catolica Cardenal Raul Silva Henriquez

5
Published 2009
Ministry of Labor and Social Affairs, Spain

7
Published 2007
Ministry of Labor and Social Affairs, Spain

8
Published 2009
Dirección General de Tráfico

9
Published 2004
OECD Publishing

10
Published 2009
Dirección General de Tráfico

11
Published 2007
Ministry of Labor and Social Affairs, Spain

12
Published 2005
OECD Publishing

13
Published 2009
Santillana, Mexico

14
Published 2008
Ministry of Labor and Social Affairs, Spain

15
Published 2008
Ministry of Labor and Social Affairs, Spain

16
Published 2007
Ministry of Labor and Social Affairs, Spain

17
by Keeley, Brian
Published 2007
Ediciones Castillo S.A. de C.V.

18
Published 2010
Ministry of Health, Spain

19
by Love, Patrick
Published 2018
OECD Publishing

20
by Keeley, Brian
Published 2018
OECD Publishing