Institute of Agricultural Research Statistics, New Delhi. <br/><br/>
Sample surveys for assessment of high yielding varieties programme; annual report 1973-74   
By S. K. Raheja and others 
 - New Delhi  The Auth.  1976 
 - 
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>338.1730954  / In59.SS