TY  - BOOK
AU  - Tripp,Robert
AU  - Longley,Catherine
TI  - Self-sufficient agriculture: labour and knowledge in small-scale farming 
SN  - 1844072975 
U1  - 630.91724 TRI 
PY  - 2006///
CY  - London, Sterling, VA
PB  - Earthscan
KW  - Agricultural innovations
KW  - Developing countries
KW  - Sustainable agriculture
KW  - Farms, Small
N1  - Includes bibliographical references and index
ER  -