1794-9165 1794-9165 S1794-91652020000100077 10.17230/ingciencia.16.31.4 Colombia Colombia 00 06 2020 00 06 2020 16 31 77 101

[1] 2013 7 4 4 658-73 [2] 1999 55 79 79 925-9 [3] 2001 45-52 [4] 2014 37 1 1 93-108 [5] 1994 81 2 2 295-304 [6] 1995 90 204-12 [7] 1996 24 2108-27 [8] 2000 95 807-18 [9] 2015 83 2 2 239-62 [10] 2014 43 7 7 1811-24 [11] 2014 154 12-25 [12] 2009 65 3 3 12-25 [13] 2007 35 2 2 772-92 [14] 2017 29 1 1 91-103 [15] 2019 9 S2 S2 52-5 [16] 2020 9 2 2 7-12 [17] 2019 10 2 2 165-78 [18] 2015 83 2 2 239-62 [19] 2017 16 1 1 689-721 [20] 2008 [21] 2007 30 1 1 37-51 [22] 1960 12 1 1 363-6 [23] 2008 [24] 2017 [25] R Core Team 2017 [26] 2012 95