Zendstra  Hubert G. <br/><br/>
Papers  Presented At The    Crop- Livestock  Research  Workshop 

 - Los  Banos, Laguna, Philippines  Asian Farming   Systems  Network  international  Rice  Research  Institute    1983 
 -  406.P;ill 
<br/><br/><label>Universal Decimal Class. No.: </label>631.1  / DOA