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