Methods of research and thesis writing / 
Jose F. Calderon, Expectacion C. Gonzales, coordinator. 
 - Manila :  National Bookstore,  c1993. 
 - xiv, 263 p. : ill. 
<br/><br/><label>ISBN: </label>971-08-5508-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology