1794-6190
1794-6190
S1794-61902016000300005
10.15446/esrj.v20n2.58000
00
09
2016
00
09
2016
20
3
D1
D9
[
Advanced Resources International
2005
]
[
2014
122
675-89
]
[
2010
81
2
2
97-108
]
[
1986
3
3
3
205-16
]
[
2009
88
2278-85
]
[
2009
78
3
3
177-91
]
[
1987
2
1
1
28-34
]
[
1994
151
417-20
]
[
2009
46
8
8
1281-95
]
[
2008
75
4
4
195-203
]
[
1998
35
1-4
1-4
175-207
]
[
2012
30
1
1
43-58
]
[
2001
47
2
2
101-13
]
[
2003
82
10
10
1271-9
]
[
2011
87
2
2
121-7
]
[
2015
22
625-32
]
[
2010
83
4
4
446-55
]
[
2013
113
1-10
]
[
2012
96-97
93-108
]
[
2011
85
1
1
43-8
]
[
2012
96-97
109-19
]
[
2013
162
108-17
]
[
2009
77
1-2
1-2
119-26
]
[
1998
38
1-2
1-2
89-113
]
[
2014
132
194-203
]
[
2012
36
10
10
1015-31
]
[
2013
a
109
389-99
]
[
2013
c
106
129-38
]
[
2013
b
110
73-81
]
[
2014
18
451-66
]
[
1975
12
5-6
5-6
129-45
]
[
2001
45
2-3
2-3
105-13
]
[
2012
93
16-22
]
[
2012
8
121-31
]
[
2006
66
3
3
204-16
]
[
2007
50
9
9
1319-26
]
[
2014
57
12
12
2978-84
]
[
2012
]
[
2015
27
1367-80
]
[
2009
a
78
1
1
1-15
]
[
2009
b
]