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Explaining the short careers of high-achieving teachers in ..:

Boyd, Donald ; Lankford, Hamilton ; Loeb, Susanna.
The American economic review.  95 (2005)  2 - p. 166-171 , 2005
Exemplar:  Zentrale:E02 z vwl 001 jc/649; Zentrale:Magazin Zs fc 1649