1
Published 2010
OECD Publishing

2
Published 2008
OECD Publishing

3
Published 2005
OECD Publishing

4
Published 2001
OECD Publishing

5
Published 2001
OECD Publishing

6
by Hug, Theo
Published 2008
innsbruck university press

7
by Rappert, Brian
Published 2010
ANU Press

8
by Richard
Published 2009
Utah State University Press/ Computers and Composition Digital Press

9
by edited by Olaf Zawacki-Richter and Terry Anderson
Published 2014
Athabasca University Press

10
Published 2011
National Academies Press (US)

11
by Mohamed Ally
Published 2009
Athabasca University Press

12
by Anastas, Paul T.
Published 2007
National Academies Press

15
by Brian R. Belland
Published 2017
Springer

16
by Stephen Hegedus
Published 2017
Springer

17
by Martin Wolpers
Published 2015
Springer

18
by Eveline Gebhardt
Published 2014
Springer

19
by Terry Anderson
Published 2014
Athabasca University Press

20
by van Dam-Mieras, M.C.E.
Published 2002
WRR