Singh, Y.K <br/><br/>
Environmental science 

 - New Delhi  New Age International  2006 
 - vi,310 p. 
<br/><br/><label>ISBN: </label>8122418481 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENVIRONMENTAL SDUDIES<br/>ENVIRONMENTEL SCIENCE<br/>ENVIRONMETAL PROBLEMS<br/>SOCIAL PROBLEMS
<br/><br/><label>Dewey Class. No.: </label>372.357  / SIN