Sanchez, Custodiosa Ancheta <br/><br/>
Methods and techniques of research 

 - Manila  Rex Book Store   1995 
 - 229 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>Dewey Class. No.: </label>Fil 001.42 Sa55m