2145-7719
2145-7719
S2145-77192018000200287
10.21615/cesder.9.2.6
00
12
2018
00
12
2018
9
2
287
297
[
2016
427
62-3
]
[
2003
47
47
7539-48
]
[
2015
225
225
100224-308
]
[
1995
269
269
32590-611
]
[
2000
189
189
28285-300
]
[
2000
431
2
2
]
[
2001
]
[
2014
48
1
1
83-90
]
[
2004
35
1
1
13-22
]
[
2002
7
4
4
354-64
]
[
2008
93
6
6
1412-21
]
[
2011
479
7373
7373
354-8
]
[
2014
47
4
4
473-83
]
[
2010
48
3
3
292-5
]
[
2014
48
1
1
117-26
]
[
2006
27
4
4
421-30
]
[
2018
71
1
1
47-72
]
[
2009
19
5
5
457-77
]
[
2010
52
10
10
1009-13
]
[
2004
23
2
2
141-4
]