12 resultados para SUSTAINABLE AGRICULTURE
em University of Michigan
Resumo:
"March 1991."
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Mode of access: Internet.
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"December 2000."
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"Reprinted with corrections Oct. 1938."
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"Reprinted with corrections April, 1942."
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Includes index.
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"EPA 231-R-98-001."
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Cover title.
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"ILENR/RE-PA-90/01."
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Includes index.
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"Serial no. 97-PPP."
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Includes bibliographical references.