Frisancho, Veronica et al <br/><br/>
Better luck next time :  Learning through retaking / 
Veronica Frisancho et al 
 - Cambridge  NBER  2013 
 - 34p 
 - NBER Working Paper ;  19663 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 19663<br/>E10818.pdf