How and why do teacher credentials matter for student achievement?:
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Bibliographic Details
Main Authors: Clotfelter, Charles T. 1947- (Author), Ladd, Helen F. 1945- (Author), Vigdor, Jacob L. (Author)
Format: Book
Language:English
Published: Cambridge, Mass. National Bureau of Economic Research 2007
Series:Working paper series / National Bureau of Economic Research 12828
Links:http://papers.nber.org/papers/w12828.pdf
Physical Description:54 S. 22 cm