Sevilla, Consuelo G. <br/><br/>
Research methods 

 - rev. ed. 
 - Manila  Rex Book Store  1992 
 - 333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>LC Class. No.: </label>C Fil. 001.42 Se84t 1992