Παρασκευή 6 Ιουνίου 2014

Does High School Homework Increase Academic Achievement?

Does High School Homework Increase Academic Achievement?


   Charlene Marie Kalenkoski, Sabrina Wulff Pabilonia

   Institute for the Study of Labor (Allemagne)

  04/2014


http://ftp.iza.org/dp8142.pdf

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