J Appl Behav Anal. 1974 Fall; 7(3): 497.
Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (43K)
A blog. Index. | Photographs, drawings and AI work have their own places now.
J Appl Behav Anal. 1974 Fall; 7(3): 497.
Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (43K)