Choudhary, Ashok Kumar  <br/><br/>
Organic farming, biofertilizers and biopesticides technology/ 
Ashok Kumar Choudhary 
 - New Delhi:  Anmol Publications,  c2014. 
 - vii, 296 pages :  24 cm. 
<br/><br/>Includes appendices and bibliographical references<br/>