1992-8238 1992-8238 S1992-82382019000100019 Colombia Cuba 00 06 2019 00 06 2019 68

1971 2da 2002 1ra 2003 21 36-7 2008 2012 1994 1998 1997 2004 2002 2004 2005 Ministerio de Educación Nacional 1994 1998 2da 2001 1994 1991