Fundamentals of environmental science / 
Gilma T. Tayo [and others]. 
 - Meycauyan, Bulacan :  Trinitas Publishing Incorporation,  2004. 
 - 141 pages  25 cm 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9714204585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science.