0120-2812
0120-2812
S0120-28122017000300408
10.15446/acag.v66n3.52467
Ecuador
00
09
2017
00
09
2017
66
3
408
413
[
2003
10
39
39
109-16
]
[
1996
47
151 - 163
]
[
2014
63
2
2
164-74
]
[
2014
25
3
3
83-92
]
[
2009
9
3
3
222-35
]
[
2012
125
]
[
2014
32
1
1
3-19
]
[
2014
32
1
1
13-9
]
[
2007
25
1
1
53-63
]
[
2001
25
1
1
101-10
]
[
2007
25
2
2
179-88
]
[
2008
8
1
1
68-96
]
[
2009
21
3
3
]
[
1997
43
131-67
]
[
2008
18
2
2
223-31
]
[
2014
19
1
1
103
]
[
2010
29
2
2
302-8
]
[
2014
63
4
4
352-60
]