1794-6190
1794-6190
S1794-61902019000100067
10.15446/esrj.v23n1.63860
China
Ecuador
00
03
2019
00
03
2019
23
1
67
77
[
2016
5
3
3
269-84
]
[
2008
1
52-8
]
[
2008
28
116-27
]
[
1969
]
[
2009
]
[
2004
5
1089-105
]
[
1995
3
]
[
1976
181
323-7
]
[
1989
76
503-14
]
[
1962
6
209-14
]
[
2006
]
[
2006
1-21
]
[
2011
]
[
2016
36-50
]
[
1996
41
121-30
]
[
2006
Ghana
1-12
]
[
2010
5th
]
[
1970
14
5
5
403-20
]
[
2010
5
3141-6
]
[
2011
Izmir, Turkey
13-9
]
[
1967
]
[
2011
11
2756-64
]
[
2015
27
167-79
]
[
1995
2
1137-43
]
[
2016
21
4
4
324-32
]
[
2016
]
[
2015
118
37-46
]
[
2013
]
[
2016
4
1-7
]
[
2016
7
3
3
245-61
]
[
2006
Ulaanbaatar, Mongolia
1-6
]
[
2007
87
2283-302
]
[
2012
1-8
]
[
1962
248
]
[
2000
695-7
]
[
2013
117
112-8
]
[
2013
19
588-601
]
[
2009
]
[
2010
31-6
]
[
1974
36
111-47
]
[
2008
34
181-9
]
[
2009
134
173-8
]
[
2014
63
199-209
]
[
2010
5
3330-5
]
[
2011
7135
171-8
]
[
1991
]
[
2017
49
352
352
15-27
]
[
1960
3
95-159
]
[
1963
68
165-9
]
[
2015
15
1-9
]
[
2009
54
2714-21
]
[
2012
36
15-9
]
[
2004
Sofia, Bulgaria
471-9
]
[
2016
9
17
17
1-16
]
[
2013
a
2
956-71
]
[
2013
b
9
1857-7431
]
[
2017
a
23
1
1
213-33
]
[
2017
b
4
1
1
19-26
]