Vega M.R <br/><br/>
Report  of a Workshop on Cropping Systems  Research  in Asia 

 - Philippines  IRRI  1982 
 -  756.p;Map;ill 
<br/><br/><label>ISBN: </label>971104076 
<br/><br/><label>Universal Decimal Class. No.: </label>631.58  / DOA