Agrawal, K C . <br/><br/>
Environmental Biology /  Textual Documents 
K C Agrawal. 
 - 2nd ed / 
 - Bikaner :  Nidhi Publishers ,  2008. 
 - 552 p ;  23 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Life Science 
<br/><br/><label>Dewey Class. No.: </label>574.5  / Ag 81 En