Gupta, M.K. <br/><br/>
Handbook of Organic Farming and Bio-fertilizers 

 - Jaipur  ABD Publishers  2007 
 - 220 
<br/><br/><label>ISBN: </label>9788183761109 
<br/><br/><label>Publisher. No.: </label> Ravi Book Home Distributors 
<br/><br/><label>Subjects--Personal Names: </label> Microbiology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbiology