Andaya, Cynthia V. <br/><br/>
Understanding the earth through environmental science / 
Cynthia V. Andaya. 
 - Quezon City :  C&E Pub,  2008. 
 - vii, 236 p.:   col. ill. 25.4 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-971-584-704-9 
<br/><br/><label>LC Class. No.: </label>577 An22