"Nirr Board, " <br/><br/>
Complete Technology Book on Vermiculture and Vermicompost 

 - \\200800ENGGPSX 
 - National Institute of Industrial Researc   2008  Delhi 
 - 354p. 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>8186623817