Kumar, Arvind . <br/><br/>
A Textbook of Environmental Science: As Per UGC Syllabus /  Textual Documents 
Arvind Kumar. 
 - 1st ed. / 
 - New Delhi :  APH Publishing Cororation ,  2004. 
 - xii,376p. ;  22cm. 
<br/><br/><label>ISBN: </label>81-7648-590-X 
<br/><br/><label>Subjects--Index Terms: </label>Environmental Science G-Geography PG-Geography 
<br/><br/><label>Dewey Class. No.: </label>620.8  / Ku 96 Te