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How to set up and maintain a worm composting system. (Kalamazoo, MI: Flower Press, 1997) |
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Classroom activities for a better environment. (Kalamazoo, MI: Flower Press, 1997) |
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Worm Digest, Issue 23, 12/99. (Eugene, OR: Edible City Resource Center, 1999) |
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Mid-Scale Vermicomposting of Lunchroom Wastes. (Kalamazoo, MI: Flower Press, 1999) |
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