1
Published 2011
National Academies Press

2
Published 2006
OECD Publishing

3
Published 2000
OECD Publishing

4
Published 2007
OECD Publishing

5
Published 2008
OECD Publishing

6
Published 2008
OECD Publishing

7
Published 2002
OECD Publishing

8
Published 2006
OECD Publishing

9
Published 2001
OECD Publishing

10
Published 2008
OECD Publishing

11
Published 2001
OECD Publishing

12
Published 2007
OECD Publishing

13
Published 2005
OECD Publishing

14
Published 2008
OECD Publishing

15
Published 2008
OECD Publishing

16
Published 2006
OECD Publishing

17
by Mário Alves
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute

19
by Benezech, Vincent
Published 2018
OECD Publishing

20
by Bahar, Heymi
Published 2013
OECD Publishing