search query: @freeterm tracking / total: 2
references: 1-2 / 2
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title | year | author | ||
1. |
Scandinavian Journal of Economics
2008 : VOL. 110:4, p. 807-825 |
2008 | Pekkarinen, T. |
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2. |
Economic Journal
2006 : MAR, VOL. 116:510, p. C63-C76 |
2006 | Hanushek, E. A. Wössmann, L. |
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