Science, technology and society /  
Naressia D. Seludo-Ballena...[et al.].  
 - Bulacan :  Trinitas Publishing,   c2004. 
 - 324 p.   ill.  
<br/><br/> Includes bibliographical references. 
<br/><br/>Includes bibliographical references (pp. 317-321).  
<br/><br/>
<br/><br/><label>ISBN: </label>971-42-0606-5 
<br/><br/><label>Dewey Class. No.: </label>502 Sc275 2004