Reduced planning efforts:
Schipper, R.A.
Reduced planning efforts: the key region approach in Ratnapura/ English. Schipper, R.A. - Colombo: Agrarian Research and Training Institute, 1983. - 103p.: 29cm.
ARTI/ Wageningen Research Project on Agricultural Planning, Report No. 5.
338.1095493 / AGR
Reduced planning efforts: the key region approach in Ratnapura/ English. Schipper, R.A. - Colombo: Agrarian Research and Training Institute, 1983. - 103p.: 29cm.
ARTI/ Wageningen Research Project on Agricultural Planning, Report No. 5.
338.1095493 / AGR
