The changing earth 
Jarumayan, Germana A. / Sadili, Milagros V. 
 -  Katha Publishing Co., Inc.  2003 
 - xiii, 322 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71574068-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.
<br/><br/><label>Dewey Class. No.: </label>HS 304.2 J37 2003