Nsi E.W. <br/><br/>
Basic Environmental chemistry 

 - Makurdi  The return press ltd  2007 
 - x,211p. 
<br/><br/><label>ISBN: </label>9780755101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental chemistry
<br/><br/><label>LC Class. No.: </label>TD193  / .N75