2448-9190
2448-9190
S2448-91902018000400431
10.29262/ram.v65i4.347
Colombia
00
12
2018
00
12
2018
65
4
431
436
[
2014
90
1070
1070
709-14
]
[
2013
4
4
4
1-7
]
[
2016
45
9
9
758-67
]
[
2017
13
9
9
889-95
]
[
2014
34
3
3
525-46
]
[
2012
44
2
2
104-11
]
[
2011
21
6
6
442-53
]
[
2015
135
5
5
1125-31
]
[
2017
50
6
6
1175-84
]
[
2007
]
[
2016
36
4
4
625-41
]