0012-7353 0012-7353 S0012-73532020000300173 10.15446/dyna.v87n214.82669 Colombia 00 09 2020 00 09 2020 87 214 173 182

[1] 2018 [2] 2012 [3] 1979 18 2 2 263-75 [4] 1982 34 224-31 [5] 2017 165 180-8 [6] 2017 229 329-40 [7] 2012 [8] 2017 72 331-7 [9] 2018 64 193-9 [10] 2007 67 4 4 630-9 [11] 2001 72 3 3 323-30 [12] 2008 86 1 1 25-30 [13] 2012 30 3 3 467-76 [14] 2014 52 144-9 [15] 2015 48 189-96 [16] 1996 57-58 1 1 617-25 [17] 2009 [18] 2014 154 18-25 [19] 2010 51 3 3 256-64 [20] 2013 47 1 1 1-12 [21] 2016 83 197 197 44-51 [22] 2017 [23] 2017 [24] 2016 58 467-75 [25] 2018 347 119-36 [26] 2009 [27] 2002 2nd [28] 1989 7 [29] 2009 34 1348-68 [30] 2018 82 370-8 [31] 2018 88 196-202 [32] 2007 3 194 194 334-44 [33] 2017 11 231-8 [34] 1986 8 665-7 [35] 2013 98 43-9 [36] 2012 13 7 7 579-86