1676-2592
1676-2592
S1676-25922017000300712
10.20396/etd.v19i3.8648370
USA
USA
00
09
2017
00
09
2017
19
3
712
734
[
41
1
1
9-28
]
[
6
2
2
266-72
]
[
10
1
1
39-43
]
[
11
2-3
2-3
167-210
]
[
5
1
1
44-8
]
[
12
1
1
]
[
32
277-83
]
[
43
18-24
]
[
12
3
3
27-40
]
[
27
4
4
28-33
]
[
46
3
3
94-113
]
[
59
4
4
405-22
]
[
31
2
2
35-9
]