The need for variety as a motivational construct
Published: 1968
Language: eng
Format: Microform
Number of pages: 135
Notes: Microfilm. Chicago, Ill. : University of Chicago, Joseph Regenstein Library, Dept. of Photoduplication, [1968] 1 microfilm reel ; 35 mm.
Bibliography: p. 129-135.
Thesis (Ph. D.)--University of Chicago, 1968.