Srivastava, S. C. <br/><br/>
Determinants of productivity of Major crops / 
S. C. Srivastava and I.D.S. Yadav 
 - Lucknow :  Govt. Press ,  1987 
 - v. ;  29 cm. 
<br/><br/><label>Dewey Class. No.: </label>630.95426