Research methods / 
Consuelo G. Sevilla …[et.al.].  
 - Manila :   Rex Book Store,   1992. 
 - xiv, 333 pages ;   22 centimeter. 
<br/><br/> Includes index.  
<br/><br/>Bibliography: pages 321-329. 
<br/><br/><label>ISBN: </label>9789712310584 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research.
<br/><br/><label>Dewey Class. No.: </label>FIL 001.4 R31 1992