1
Published 2010
OECD Publishing

2
Published 2010
OECD Publishing

3
Published 2003
OECD Publishing

4
Published 2010
OECD Publishing

5
Published 2006
OECD Publishing

8
Published 2003
OECD Publishing

11
Published 2010
OECD Publishing

15
by Benezech, Vincent
Published 2018
OECD Publishing

17
Published 2014
OECD Publishing

18
Published 2017
OECD Publishing

19
by A.J.M. van Wijk
Published 2014
IOS Press

20
by Herrera-Melián, José
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute