1794-9165 1794-9165 S1794-91652019000100103 10.17230/ingciencia.15.29.4 Ecuador 00 06 2019 00 06 2019 15 29 103 125

[1] 2015 [2] 2006 [3] 2014 83-93 [4] 2016 236-44 [5] 2017 [6] 2018 411-5 [7] 2014 131-6 [8] 1999 18 2 2 134-47 [9] 2 Iciip 2011 Iciip 7-11 [10] 2008 19 2 2 391-7 [11] 1 2010 106-9 [12] 2007 142-5 [13] 2019 44 184-200 [14] 2016 60 130-43 [15] 2008 465-74 [16] 2012 61 8 8 1165-78 [17] 2005 2005 1652-5 [18] 2005 16 5 5 468-80 [19] 2014 11 14 14 5522 [20] 2010 354-7 [21] 2009 812-5 [22] 2015 64 10 10 2875-90 [23] 2010 43 8 8 1049-60 [24] 2018 22 9 9 1746-9 [25] 2017 6 6 8-11 [26] 1 2008 26-31 [27] 2009 4-7 [28] 5 2018 134-8 [29] 2019 7 c c 8737-53