Guzman, Ruth Marian <br/><br/>
Environmental science :  toward a sustainable earth. /  
Ruth Marian Guzman. 
 - Philippine:   Vibal Group Inc.,  c2018. 
 - ix , 182 pages:   color illustrations ;  27cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9789710742516 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Environmental Science
<br/><br/><label>Dewey Class. No.: </label>Fil. 363.7 G993e 2018