Environmental pollution  denaturing the quality of nature 

 - Kandy  IFS  1993 
 - [vi], 86p. 
<br/><br/><label>ISBN: </label>9789552600234 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL PROBLEMS & SERVICES
<br/><br/><label>Dewey Class. No.: </label>363.73  / E58