1390-8642 1390-8642 S1390-86422018000200168 10.17163/alt.v13n2.2018.01 Brasil 00 12 2018 00 12 2018 13 2 168 179

2015 1988 1988 1965 2007 1979 1999 2008 1996 2009 1972 2010 2014 2001 1976 2006 1990 2006 2006 ONU 2006 1999 2009 2017