The contribution of education and extension to differential rates of change
By: by Wallace Huffman.
Published: 1972
Language: eng
Format: Microform
Number of pages: 138
Notes: Microfilm. Chicago, Ill. : University of Chicago, Joseph Regenstein Library, Dept. of Photoduplication, 1972. 1 microfilm reel ; 35 mm.
Thesis (Ph. D.)--University of Chicago, 1972.