535
Marianne P. Bitler,
| American Economic Assn |
2003
,
536
Davis, L. W.,
| American Economic Assn |
2004
,
537
Mukand, S. W.,
| American Economic Assn |
2005
,
538
Harless, D. W,
| American Economic Assn |
2002
,
539
Chang, W.,
| American Economic Assn |
2002
,
540
Wang, S.-Y.,
| American Economic Assn |
2011
,
1
2
3
4
US Department of Education
[, ]
5
US Department of Education
[, ]
6
7
US Department of Education
[, ]
8
US Department of Education
[, ]
9
10
11
12
13
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