INTERNATIONAL CROPS RESEARCH INSTITUTE FOR THE SEMI-ARID TRO <br/><br/>
INTERNATIONAL WORKSHOP ON SOCIOECONOMIC CONSTRAINTS TO DEVELOPMENT OF SEMI-ARID 

 - PATANCHERU  I.C.R.I.S.A.T  1983 
 - 23X17 
<br/><br/><label>Dewey Class. No.: </label>631 I61