Punjab Agricultural University <br/><br/>
Promotion of research and development efforts on hybrids in selected crops. ( 1993-94 and kharif 1994 ) 

 - Ludhiana  Punjab Agricultural University  1995 
 - 300p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.523  / PAU