0012-7353 0012-7353 S0012-73532018000400208 10.15446/dyna.v85n207.64255 Colombia 00 12 2018 00 12 2018 85 207 208 213

[1] 2006 41 2 2 87-93 [2] 2009 19 6 6 819-23 [3] 2011 26 1 1 189-200 [4] 2006 21 5 5 568-74 [5] 2015 146 65-73 [6] 2015 90 1092-7 [7] 2004 19 6 6 539-49 [8] 2015 25 2 2 165-9 [9] 2011 26 2239-45 [10] 2014 2014 [11] República de Colombia 2015 [12] 1998 37 4 4 257-63 [13] 2014 72 212-22 [14] 1987 5 3 3 287-97 [15] 1993 1st 905