Sanchez, Custodiosa Ancheta. <br/><br/>
Methods and techniques of research / 
by Custodiosa Ancheta Sanchez. 
 - Revised edition. 
 - Manila :  Rex Book Store,  c1986. 
 - xiii, 229 pages  22 cm 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research writing.