Mariano, Teresita. <br/><br/>
Environmental science / 
Teresita R. Mariano [and three others]. 
 - Plaridel, Bulacan :  St. Andrew Publishing House,  2012. 
 - i, 246 pages :  illustration ;  25 cm. 
<br/><br/> Bibliography: 246. 
<br/><br/><label>ISBN: </label>9789710472680 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science.