Biotechnology in Environmental Management vol, 1-2 
Editor by Dr.T.K.Ghosh 
 - New Delhi  A.P.H Publishing  2005. 
 - 388p. 
<br/><br/> H.B 
<br/><br/><label>ISBN: </label>8176488070 
<br/><br/><label>Dewey Class. No.: </label>660.6 GHO