TY  - BOOK
AU  - Beets, Willem C.
TI  - Raising and sustaining productivity of smallholder farming systems in the tropics: a handbook of sustainable agricultural development 
SN  - 9748567613
U1  - 630.913 
PY  - 1990///
CY  - Alkmaar, Holland
PB  - AgBe Publishing
KW  - Agriculture
KW  - Development aspects
KW  - Tropics
N1  - Includes bibliographical references and index
ER  -