1676-2592 1676-2592 S1676-25922020000400856 10.20396/etd.v22i4.8660150 Colombia Colombia Colombia 00 10 2020 00 10 2020 22 4 856 872

2015 42 42 2013 201 2007 2019 302 1982 247 247 1-20 1991 295 295 59-111 1957 132 1948 361 2006 358 2005 1982 355 2010 416 2017 53 53 45-57 1991 295 295 7-37 2000 45-78 2013 100 100 27-34 2000 2012 344 2001 376 2015 42 42 9-20 2012 40 2 2 99-111 2012 334 2020 2012 334 2006 25 25 98-108 2003 17 1987 211 Universidad Pedagógica Nacional 2001 29-45 2006 25 25 243-69 2001 81-8 1992 4 8 y 9 8 y 9 1999 193 2003 21-40 2005 1 148