Saxena, M.M <br/><br/>
Applied environmental biology:1 Resources and management 

 - INew Delhiia  AGRO Botanical  1990 
 - vii,143p, 23cm 
<br/><br/><label>ISBN: </label>8185031304 
<br/><br/><label>Dewey Class. No.: </label>333.7,  / D, sax