TY - BOOK AU - Tripp, Robert TI - Self-sufficient agriculture SN - 1844072975 AV - EARTHSCAN(02)2006/1 PY - 2006/// CY - London PB - Earthscan KW - AGRICULTURE--DEVELOPING COUNTRIES KW - AGRICUTURE--ZAMBIA KW - SUSTAINABLE AGRICULTURE--DEVELOPING COUNTRIES--CONGRESSES KW - FARMS, SMALL-- DEVELOPING COUNTRIES--CASE STUDIES ER -