1870-3550 1870-3550 S1870-35502018000200113 10.20999/nam.2018.b003 Mexico 00 12 2018 00 12 2018 13 2 113 142

2004 1999 2007 33 7 7 1169-93 2013 2015 2003 2003 2007 2010 1998 2 2014 7 4 4 69-99 2004 2011 5 10 10 82-106 2013 2012 14 2 2 87-102 2010 2004 2009 2004 2008 1994 17 4 4 577-92 1970 2008 2 8 8 1-44 2006 33 4 4 612-33 2001 1998 2007 437-55 2003 2003 1994 2011 9 17 17 69-90 ILO (International Labour Organization) 2002 2007 4 2 2 337-54 2009 2002 87-112 2001 2012 2007 1-28 1995 2007 415-37 1987 2017 91-103 2003 101-26 2009 35 7 7 1181-99 1984 18 886-907 2014 2013 35-71 2007 2004 33-48 2015 1995 2008 2001 2012 II 303-415 2008 2009 145-87 2003 139-58 2014 2010 19 5 5 4 2007 177-208 2007 33 7 7 1025-41 2005 2010 2006