1992-8238 1992-8238 S1992-82382018000200023 Colombia 00 12 2018 00 12 2018 67

1999 2009 1988 VI 11 11 2002 1996 1996 1999 CEPES 1991 2004 1988 2005 2005 1994 1969 2010 2016 2009 2003 2004 40 40 2005 2005 2006 1997 2005 1999 1998 1980