2027-5137 2027-5137 S2027-51372018000200019 10.19053/20275137.n17.2018.7415 España 00 12 2018 00 12 2018 17 19 50

2015 862 862 1-29 2012 527-35 2015 12 12 24-9 2011 CIS 2016 2010 405 405 44-50 2001 106 6 6 1691-730 2003 12 12 76-97 2011 Instituto de Juventud 2012 2003 3 3 245-53 Ministerio de Educación 1961 2016 2007 6 3-19 2017 2011 2014 81 59-71 2011 155-68 2014 13 13 11-25 2015 593-600 2016 550-60 2016 2 1 1 43-72 2013 2015 2 11 11 111-33 2017 1997 1989 225-46 2009 2013 2 31 31 383-433