2448-9190
2448-9190
S2448-91902017000300371
10.29262/ram.v64i3.202
Colombia
Colombia
00
09
2017
00
09
2017
64
3
371
375
[
2014
69
7
7
868-87
]
[
2015
127
6
6
565-70
]
[
2014
133
5
5
1270-7
]
[
2014
32
3
3
345-53
]
[
2016
36
1
1
10-21
]
[
1996
21
11
11
42-6
]
[
2003
4
6
6
399-406
]
[
2014
105
8
8
780-8
]
[
2016
71
6
6
780-802
]
[
2016
30
4
4
704-6
]