0121-3814

0121-3814

S0121-38142017000100183

Estados Unidos

00 06 2017

00 06 2017

41 183 196

2011 18 1 1

5-25

1998 5 1 1

7-74

2009 27 27

5-31

2014 49

219-43

2011 48 10 10

1109-36

1999 6 1 1

101-16

2005

1984 74

129-49

1996 38 1 1

47-65

2011 29

44-64

1999

51-94

2016

2011 20 2 2

1-11

2000

2008 24

56-81

National Research Council (NRC) 2011

Washington, DC

National Research Council (NRC) 2013

National Science Foundation 2016

Organisation for Economic Cooperation and Development (OECD) 2009

2008

2004 15 1 1

39-62

2016

2014 25 3&4 3&4

275-302

2005 105 8 8

412-22

2009 93 5 5

875-91

2005 63 3 3

66-70

2013 22

1757-73

2015 52 5 5

585-609

2010 11

74-83

2014

2010 22

271-96

2007 22

67-85

2012 96 5 5

878-903