"Tractorization" in the United States and its relevance for the developing countries
By: Nicholas Peter Sargen.
Series: Outstanding dissertations in economics
Publisher: Garland Pub.
Published: 1979
Place of publication: New York
Language: eng
Number of pages: 280
Subjects: Farm mechanization -- United States -- History.; Diffusion of innovations -- United States -- History.; Tractors.; Farm mechanization -- Developing countries.
Notes: Bibliography: p. 270-280.
Originally presented as the author's thesis, Stanford University, 1974.