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The Contingent Use of Trading Stamps in Reducing Truancy
Zweig, John T., Epstein, Michael H., Chlebnikow, Barry, Cullinan, DouglasVolume:
47
Language:
english
Journal:
The Journal of Experimental Education
DOI:
10.1080/00220973.1979.11011686
Date:
March, 1979
File:
PDF, 528 KB
english, 1979