Educational Development Center, IPS Group. <br/><br/>
Introductory physical science. 

 - Philippine ed., 3rd ed. 
 - Manila :  United Pub. Co,  c1967. 
 - xi, 281 p. : ill. 
<br/><br/> Copy imperfect : 5.p.-p.2, bladed. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Experiments