TY  - BOOK
AU  - Schipper, R.A.
TI  - Reduced planning efforts: the key region approach in Ratnapura
U1  - 338.1095493 23
PY  - 1983///
CY  - Colombo
PB  - Agrarian Research and Training Institute
N1  - ARTI/ Wageningen Research Project on Agricultural Planning, Report No. 5
ER  -