0121-1935
0121-1935
S0121-19352017000200047
10.25100/rc.v21i2.6698
Colombia
Colombia
00
12
2017
00
12
2017
21
2
47
55
[
1987
58
20
20
2059-62
]
[
1987
58
23
23
2486-9
]
[
2008
]
[
2011
]
[
1993
10
2
2
404-7
]
[
1966
14
3
3
302-7
]
[
2004
21
9
9
1769-75
]
[
2010
24
125-41
]
[
2013
48
438-46
]
[
2012
407
1
1
120-5
]
[
2008
7
133-43
]
[
2014
125
24
24
7140-2
]
[
2013
53
1-6
]
[
2005
406
]
[
1997
3224
]
[
2008
1413
]
[
2016
171
91-6
]
[
2009
517
24
24
6847-9
]