Chahopadyay,S.B <br/><br/>
Principles and procedures of plant protection/ 
S.B, chahopadyay  
 - 3rd 
 - New Delhi   Oxy&IBH PUBLISHING   1991 
 -  Pbk  
<br/><br/><label>ISBN: </label>8120402022 
<br/><br/><label>LC Class. No.: </label>SB951.C3 1991