TY  - BOOK
AU  - Palela,Elizabeth Bernard
TI  - Understanding change in the traditional vinyungu farming system:  : a case of the little Ruaha river in Iringa region, Tanzania
AV  - THS EAF S473.T34P34 
PY  - 2011///
CY  - Bremen 
PB  -  : Universitat Bremen
KW  - Agricultural systems
KW  - Farming system
KW  - Ruaha river
KW  - Vinyungu farming system
N1  - Includes bibliographical references
Thesis: PhD.- Universitat Bremen

ER  -