1909-3667 1909-3667 S1909-36672019000200053 10.18180/tecciencia.2019.27.6 Colombia 00 12 2019 00 12 2019 14 27 53 60

[1] 2018 vol. 171 54-69 [2] 2012 vol. 6 no. 12 no. 12 80-93 [3] 2013 vol. 7 no. 14 no. 14 54-60 [4] 2018 vol. 13 no. 25 no. 25 55-64 [5] 2015 vol. 10 no. 19 no. 19 61-72 [6] 2015 vol. 10 no. 19 no. 19 61-72 [7] 2013 vol. 60 485-91 [8] 2018 vol. 204 906-15 [9] 2016 17-34 [10] 2009 no. 29 no. 29 109-20 [11] 2017 vol. 12 no. 22 no. 22 27-32 [12] 2014 vol. 9 no. 17 no. 17 45-54 [13] 2013 vol. 8 no. 15 no. 15 27-35 [14] 2013 vol. 5 no. 10 no. 10 [15] 2016 vol. 11 no. 21 no. 21 17-24 [16] 2013 vol. 103 593-9 [17] 2017 vol. 84 no. 201 no. 201 155-62 [18] 2018 vol. 127 74-83 [19] 2014 [20] 2015 vol. 65 170-9 [21] 2006 [22] 2011 vol. 35 no. 9 no. 9 3976-84 [23] 2012 vol. 36 50-9