2588-0934
2588-0934
S2588-09342017000200103
10.37785/nw.v1n2.a5
Ecuador
Ecuador
Ecuador
Ecuador
00
12
2017
00
12
2017
1
2
103
118
[
2007
]
[
2013
]
[
2008
16
16
113-134.
]
[
2002
50
44-5
]
[
2006
11
11
1-3
]
[
2001
]
[
1996
]
[
2010
]
[
2010
]
[
2011
]
[
2016
2
2
56-66.
]
[
2013
15
15
91-102
]
[
2011
293
293
1-3
]