TY  - GEN
AU  - Simpson, Brent M.
TI  - The roots of change: human behaviour and agricultural evolution in Mali
SN  - 9781853394683
AV  - S 540 SIM 1999 
PY  - 1999///
CY  - U.K.
PB  - Intermediate Technology Publications
KW  - Agriculture
KW  - Mali
N1  - Includes bibliographical references
ER  -