Secondary Education Development Program (SEDP),  c1989. <br/><br/>
Values Education I / 
Secondary Education Development Program (SEDP). 
 - Philippines :  Department of Education Culture and Sports,  c1989. 
 - vi ; 74 p. :  illus. ;  10 inch. 
<br/><br/><label>ISBN: </label>971-101-295-2