Social survey research design 
Cristina O. Parel...[et al.] 
 - Quezon City  PSSC  c1978. 
 - xiii, 168p. : ill.  23 cm. 
 - PSSC social survey series ; no. 1 .
 - (PSSC social survey series ; no. 1). .
<br/><br/><label>ISBN: </label>9718514066 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Social sciences--Research<br/>Learning<br/>Instructional system
<br/><br/><label>LC Class. No.: </label>RF H 62.5 S63 1978