1
Published 2008
OECD Publishing

2
Published 2001
OECD Publishing

3
Published 2006
OECD Publishing

4
Published 2007
OECD Publishing

5
Published 2006
OECD Publishing

6
Published 2007
OECD Publishing

7
Published 2006
OECD Publishing

8
Published 2001
OECD Publishing

9
Published 1992
National Academies Press

10
by Kazuyuki Motohashi
Published 2015
Springer

11
by Vellozo, Diogo da Sylveyra
Published 2005
SciELO Books - EDUFBA

12
by Jennie Larkin
Published 2014
Frontiers Media SA

13
by Krizan, Peter
Published 2015
De Gruyter

14
by Cândido, Gesinaldo Ataíde
Published 2013
SciELO Books - EDUEPB

15
by Eduardo A. Ceccarelli
Published 2014
Frontiers Media SA

16
by Wolfgang Schmidt
Published 2014
Frontiers Media SA

17
by John Hancock
Published 2014
Frontiers Media SA

18
by Volker Hessel
Published 2015
MDPI AG - Multidisciplinary Digital Publishing Institute

19
by Jean Marie Fran
Published 2015
Frontiers Media SA

20
by K. Vollers
Published 2016
IOS Press