2631-2654
2631-2654
S2631-26542019000200049
10.37135/unach.ns.001.04.05
Ecuador
00
11
2019
00
11
2019
2
2
49
57
[
2010
1-6
]
[
2016
1-6
]
[
2014
56-60
]
[
2017
6
25060-5
]
[
2017
856-9
]
[
2004
18
8
8
1288-96
]
[
2009
3555-60
]
[
2013
7-12
]
[
2015
384-7
]
[
2008
41
2
2
5820-4
]
[
2015
78-81
]
[
2013
797-803
]
[
2013
3
253-63
]
[
1992
280-5
]
[
2017
0674-8
]
[
2019
7
27789-801
]