1390-6542
1390-6542
S1390-65422019000100001
10.29019/enfoqueute.v10n1.437
Ecuador
Colombia
00
03
2019
00
03
2019
10
1
1
12
[
2016
2016
1-7
]
[
2010
25
1
1
516-23
]
[
2017
7
1
1
300-14
]
[
2017
13
13
13
90-6
]
[
2018
165-70
]
[
2017
Quito
]
[
2017
]
[
2016
Coimbra
]
[
2018
9
4
4
120-30
]
[
2018
334-9
]
[
2014
10
4
4
283-92
]
[
2018
2017
7-13
]
[
2018
2017
14-20
]
[
2008
23
3
3
1099-104
]
[
2008
23
3
3
1525-6
]
[
2009
104-8
]
[
2014
5
3
3
25-44
]
[
2014
29
2
2
742-55
]
[
2016
14
5
5
2264-70
]
[
2018
9
1
1
177-87
]
[
2016
]
[
2012
27
3
3
1644-52
]
[
2012
42
1
1
653-60
]
[
2012
27
3
3
1521-30
]
[
2012
2012
]
[
2013
7
4
4
347-56
]
[
2017
2017
27-32
]
[
2011
2011
1-6
]
[
2017
143
44-52
]
[
1991
6
2
2
491-500
]
[
2017
7
1
1
315-28
]
[
2005
20
4
4
2381-2388.
]
[
2015
29-36
]
[
2016
7
5
5
625-34
]
[
2018
1-5.
]
[
2017
16
4
4
1142-9
]
[
2009
]
[
2009
1-6
]
[
2015
0-5
]
[
2016
55
1
1
399-406
]
[
2016
1-8
]
[
2013
(2)
2013
820-823.
]