Guzman, Ruth S. [and] Genuino, Ruth Marian Guzman <br/><br/>
Environmental science :   towards a sustainable earth /  
Ruth S. Guzman [and] Ruth Marian Guzman-Genuino 
 - ix, 182 pages :   colored illustrations ;   27 cm.  
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>978-971-07-4251-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.<br/>Environmental sciences--Textbooks. 
<br/><br/><label>Dewey Class. No.: </label>574.5