Trivedi, P.R, <br/><br/>
Environmental Ecology 

 - 1st /   1995. 
 - N.Delhi:  Akashdeep Publishing House,  1995. 
 - 502 p. 
<br/><br/><label>ISBN: </label>8171582435 
<br/><br/><label>Subjects--Personal Names: </label><br/>Zoology, Biology. 
<br/><br/><label>Dewey Class. No.: </label>574.5