Singh, J.S. <br/><br/>
Ecology Environment and resource conservation 
J.S. Singh, S.P. Singh, S.R. Gupta 
 - New Delhi  Anamaya Pub.  2006:2008 
 - xxvii, 688 
<br/><br/> Includes bibliographical references and Index 
<br/><br/><label>ISBN: </label>8188342556 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology-Environmental aspects<br/>Environment<br/>Environment-Conversation and Restoration
<br/><br/><label>Dewey Class. No.: </label>574.5  / SIN P6:P8