1794-6190
1794-6190
S1794-61902018000300205
10.15446/esrj.v22n3.61135
China
USA
Pakistan
00
09
2018
00
09
2018
22
3
205
213
[
2002
2nd ed
]
[
2000
142-5
]
[
1997
16
4
4
337-44
]
[
1998
63
948-56
]
[
1999
18
438-52
]
[
2002
Houston, Texas
]
[
2000
19
11
11
1222-9
]
[
2015
26
4
4
556-66
]
[
1979
3-26
]
[
2004
69
164-79
]
[
2004
]
[
2001
20
1094-104
]
[
2002
185-8
]
[
1998
]
[
1989
54
680-8
]
[
2004
69
592-8
]
[
2000
689-92
]
[
1997
45
165-82
]
[
2000
]
[
2008
23
1
1
192-7
]
[
2002
67
1
1
60-2
]
[
2002
67
1
1
63-7
]
[
2003
22
10
10
1030-7
]
[
2012
58
1350-60
]
[
1919
I
66-84
]