0187-6236
0187-6236
S0187-62362020000300201
10.20937/atm.52732
China
Pakistan
Saudi Arabia
Pakistan
00
00
2020
00
00
2020
33
3
201
213
[
2010
87
1972-7
]
[
1988
]
[
2012
4
129-37
]
[
1998
87
115-43
]
[
2001
]
[
1979
47
1287-94
]
[
2010
38
606-12
]
[
2010
87
3533-7
]
[
2011
39
4215-21
]
[
ECLAC
2015
]
[
2007
35
1274-81
]
[
2010
38
1150-6
]
[
2013
104
310-8
]
[
2011
36
3348-54
]
[
2017
141
170-8
]
[
2017
23
1-9
]
[
2018
25
15057-67
]
[
2018
21
16-24
]
[
2019
171
493-501
]
[
2019
143
586-95
]
[
2016
59
1101-10
]
[
2015
44
97-103
]
[
2008
85
421-9
]
[
2013
25
580-95
]
[
2005
33
1109-16
]
[
2011
39
4178-88
]
[
2016
60
1343-50
]
[
2011
36
2450-8
]
[
2006
5
15-23
]
[
2016
56
20-8
]
[
2014
67
923-31
]
[
2012
51
184-91
]
[
2012
34
476-88
]
[
2015
1
62-70
]
[
2015
51
317-26
]
[
2008
30
2302-13
]
[
2011
36
3629-38
]
[
2003
25
33-7
]
[
2009
37
246-53
]
[
2016
56
499-512
]
[
2011
39
4870-5
]
[
2016
542
360-71
]
[
2005
27
891-903
]
[
2014
71
123-32
]
[
2016
53
225-34
]
[
2013
57
76-81
]
[
2011
39
7941-9
]
[
2009
37
2214-20
]