ANDAYA, CYNTHIA V.BAGUIO, SARANAY M. <br/><br/>
Understanding the earth through environmental science / 
SARANAY M. ANDAYA, CYNTHIA V.BAGUIO 
 - vii, 236 p, 25 cm 
<br/><br/><label>ISBN: </label>9789715847049 9789789715848