1659-4142
1659-4142
S1659-41422018000100172
10.15517/eci.v8i1.30012
Ecuador
Ecuador
Ecuador
00
06
2018
00
06
2018
8
1
172
189
[
2017
8
1
1
46-61
]
[
2013
57
1
1
1-7
]
[
2013
12
32
32
15-32
]
[
2010
37
37
1-14
]
[
2012
]
[
2017
40
2
2
]
[
2013
36
4
4
]
[
2013
28
28
99-115
]
[
2012
41
1
1
1567-71
]
[
2012
68
4
4
512-26
]
[
2013
17
4
4
58-66
]
[
2016
48
3
3
768-88
]
[
2017
12
2
2
65-80
]
[
2015
38
1
1
]
[
2012
28
1
1
87-96
]
[
2013
1
3
3
18-27
]
[
2015
2
2
2
140-8
]
[
2014
33
2
2
1-8
]
[
2013
12
2
2
12-23
]
[
2008
389-95
]
[
2015
]
[
2012
11
4
4
375-85
]
[
2015
7
2
2
137-66
]
[
W3C
2008
]
[
W3C
2016
]
[
W3C
2016
]