Sustaining the Soil: Indigenous Soil and Water Conservation in Africa
by
ISBN 13: 9781853833724
Format: Paperback (224 pages) Publisher: Earthscan Ltd Published: 25 Sep 1996
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Self-Sufficient Agriculture: Labour and Knowledge in Small-scale Farming
by Robert Tripp
ISBN 13: 9781844072972
Format: Paperback (224 pages) Publisher: Earthscan Ltd Published: 01 Dec 2005 Other Format: Hardcover