1665-6423
1665-6423
S1665-64232019000200078
10.22201/icat.16656423.2019.17.2.798
Nigeria
Brazil
Nigeria
00
04
2019
00
04
2019
17
2
78
91
[
2016
7
6
6
947-59
]
[
2017
66
]
[
2014
12
3
3
560-7
]
[
2006
277
1-3
1-3
191-200
]
[
2008
41
1-2
1-2
1-9
]
[
2008
42
19
19
7201-6
]
[
2007
19
2
2
160-6
]
[
2012
1
106-17
]
[
2012
1
1
1
2186-8476
]
[
2009
45
3
3
111-6
]
[
2013
2
2
2
61-71
]
[
1974
]
[
2002
20
4-5
4-5
177-87
]
[
2012
45
7917-22
]
[
2011
52
4
4
592-603
]
[
2005
8
489
]
[
2008
254
16
16
5157-63
]
[
2008
87
1
1
46-58
]
[
2012
32
1
1
235-44
]
[
2001
18
3-4
3-4
111-22
]
[
2017
15
2
2
190-204
]
[
1992
96
3-4
3-4
351-66
]
[
2006
31
3-4
3-4
194-206
]
[
2017
15
2
2
167-72
]
[
1989
322
]
[
2009
43
2
2
160-3
]
[
2016
14
5
5
325-37
]
[
2014
4
01
01
25
]
[
2010
1
04
04
206
]
[
2017
36
1
1
138-46
]
[
1990
38
1
1
29-32
]
[
2010
174
1-3
1-3
623-34
]
[
2006
272
1-2
1-2
89-104
]
[
2014
99
83-92
]
[
2016
6
18
18
15201-9
]
[
2012
46
1-3
1-3
21-31
]
[
2010
176
1-3
1-3
650-6
]