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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)
紙図書
Garland Pub.1979.<DM275-9>
国立国会図書館全国の図書館
  • 件名Farm 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
紙図書
Nicholas Peter SargenGarland Pub.1979
全国の図書館
  • 件名Farm mechanization -- United States -- History Diffusion of innovations -- U...
  • 件名（識別子）Farm mechanization -- United States -- History Diffusion of innovations -- U...

Farm power in the making of America

Farm power in the making of America
紙図書
by Paul C. JohnsonWallace-Homestead Book Co.c1978
全国の図書館
  • 件名... United States Farm mechanization -- United States -- History
  • 件名（識別子）... United States Farm mechanization -- United States -- History

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