![](/img/cover-not-exists.png)
Some effects of “back-up” reinforcers on reading behavior
Carolyn Whitlock, Don Bushell Jr.Volume:
5
Year:
1967
Language:
english
Pages:
58
DOI:
10.1016/0022-0965(67)90076-8
File:
PDF, 445 KB
english, 1967