1
Origins of the organic agriculture debate

Cover is for reference only
Main Authors: DeGregori Thomas R
Published: Iowa State Press,
Publication Dates: c2004.
Call Number: S345/D321
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2
The environment, our natural resources, and modern technology

Cover is for reference only
Main Authors: DeGregori Thomas R
Published: Iowa State Press,
Publication Dates: 2002.
Call Number: X2/D321
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3
The environment, our natural resources, and modern technology

Cover is for reference only
Main Authors: DeGregori Thomas R
Published: Iowa State Press,
Publication Dates: 2002.
Call Number: X/D321
Book
Save to List
Saved in:
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