Education Development Center. Educational Services Incorporated. <br/><br/>
Introductory physical science. 

 - 2nd. Philippine ed., 
 - Manila :  United Publishing,  1967. 
 - xv, 227 p. :  ills. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical science.<br/>Physics -- Study and teaching
<br/><br/><label>LC Class. No.: </label>FIL Q 181 A2-2  / E38 1967