The economics of time in learning
By: by Å. Nils-Olaf Christofferson.
Published: 1971
Language: eng
Format: Microform
Number of pages: 185
Notes: Microfilm. Chicago, Ill. : University of Chicago, Joseph Regenstein Library, Dept. of Photoduplication, 1971. 1 microfilm reel ; 35 mm.
Thesis (Ph. D.)--University of Chicago, 1971.