Van Dongen., R.P.M. <br/><br/>
The use of geo-statistics on behalf of farming systems analysis in East Java 
/by R.P.M. Van Dongen 
 - Wageningen  Wageningen Agricutural University  1991 
 - 145 pages 
<br/><br/><label>Dewey Class. No.: </label>630.7  / VAN