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Donald E. Douglas

Books by Donald E. Douglas

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Earthworms for Ecology and Profit: Scientific Earthworm Farming image

Earthworms for Ecology and Profit: Scientific Earthworm Farming

Author(s): Ronald E. Gaddie, Sr.
ISBN-13: 9780916302054
Edition: Second Printing
Publisher: Bookworm Pub Co
Released: Jan 01, 1976
Format: Paperback, 180 pages
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