0377-9424
0377-9424
S0377-94242018000100155
10.15517/rac.v42i1.32202
Ecuador
Ecuador
00
06
2018
00
06
2018
42
1
155
162
[
2013
73
4
4
339-44
]
[
2009
1
2
2
87-95
]
[
2001
98
]
[
2014
]
[
2004
22
2
2
1-6
]
[
2009
13
3
3
11-15.
]
[
2015
84
2
2
298-305
]
[
2004
32
]
[
2014
8
1397-407
]
[
2015
]
[
2012
3
5
5
924-9
]
[
2011
64
2
2
6147-57
]
[
2011
]
[
2013
18
1
1
20-6
]
[
2005
41
]
[
2010
5
6
6
635-43
]
[
2006
35
2
2
191-203
]