21
Published 2011
Statistics Korea

22
Published 2007
Joint OECD/Korea Regional Centre on Health and Social Policy

23
Published 2008
Korea Institute of Public Finance

24
Published 2010
OECD Publishing

25
by Lee, Kijung
Published 2002
Documentary Educational Resources

26
Published 2018
Korea Institute for Curriculum and Evaluation

27
Published 2012
OECD/Korea Policy Centre

28
Published 2012
OECD/Korea Policy Centre

29
Published 2017
OECD Publishing

30
Published 2013
OECD/Korea Policy Centre

31
Published 2013
OECD Publishing

32
Published 2015
Deloitte Anjin LLC.

33
Published 2014
OECD/Korea Policy Centre

34
Published 2013
OECD/Korea Policy Centre

35
Published 2012
OECD/Korea Policy Centre

36
by Schleicher Schleicher, Andreas
Published 2016
Korean Educational Development Institute

37
Published 2012
OECD/Korea Policy Centre

38
Published 2018
OECD Publishing

39
Published 2013
Duksung Women's University

40
Published 2015
Korea Institute of S&T Evaluation and Planning