Dela Cruz, Estrillita S. <br/><br/>
Science and Health For a Changing Environent / 
Dela Cruz, Estrillita S., Diaz, Estilita S. 
 - Quezon City :  Vibal Publishiing House Inc.  2000 
 - ii, 239 pages :  illustration, figures  27 cm. + 
<br/><br/>includes Bibliographical References 
<br/><br/>People -- Animals and Plants -- Matter Energy, and Motion-- The earth and the sky  
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9710717243 
<br/><br/><label>Dewey Class. No.: </label>FIL 500   / D37