An economic analysis of selected agricultural extension programs in Colombia, South America
By: Kenneth J. McKenzie
Publisher: Michigan State University
Published: 1972
Place of publication: East Lansing]
Language: eng
Number of pages: 478
Subjects: Agricultural extension work
Notes: Microfilm. Ann Arbor, MI : University Microfilms. 1 reel ; 35 mm.

Thesis--Michigan State University.

Bibliography: leaves 440-445.