1409-3871
1409-3871
S1409-38712018000300183
10.15517/lank.v18i3.34961
Ecuador
Ecuador
Colombia
00
12
2018
00
12
2018
18
3
183
188
[
2018
343
1
1
75-81
]
[
2005
95
763-72
]
[
2004
]
[
1999
]
[
2016
16
2
2
219-41
]
[
1996
61
1-255
]
[
2002
88
87-94
]
[
2010
120
145
]
[
2012
123
1-298
]
[
2017
17
2
2
227-34
]
[
2012
76
1
1
20-9
]