Upadhyay rajeev k <br/><br/>
Ipm system in agriculture principles and perspectives vol. 1 & vol 4 

 - New Delhi  Aditya Books  1996 
 - 561p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>632.9  / UPA.I