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"Tractorization" in the United States and its relevance for the developing countries / Nicholas Peter Sargen. (Outstanding dissertations in economics)

"Tractorization" in the United States and its relevance for the developing countries / Nicholas Peter Sargen. (Outstanding dissertations in economics)
Paper図書
Garland Pub.1979.<DM275-9>
National Diet LibraryOther Libraries in Japan
  • Subject HeadingFarm mechanization -- United States -- History. Diffusion of innovations -- ...

"Tractorization" in the United States and its relevance for the developing countries

"Tractorization" in the United States and its relevance for the developing countries
Paper図書
Nicholas Peter SargenGarland Pub.1979
Other Libraries in Japan
  • Subject HeadingFarm mechanization -- United States -- History Diffusion of innovations -- U...
  • Subject Heading (ID)Farm mechanization -- United States -- History Diffusion of innovations -- U...

Farm power in the making of America

Farm power in the making of America
Paper図書
by Paul C. JohnsonWallace-Homestead Book Co.c1978
Other Libraries in Japan
  • Subject Heading... United States Farm mechanization -- United States -- History
  • Subject Heading (ID)... United States Farm mechanization -- United States -- History

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