Ardales, Venancio B. <br/><br/>
Basic concepts and methods in research 

 - 3rd ed. 
 - Manila    Education Publishing House  2008 
 - 415 p.  Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>978-971-513-245-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research- methodology
<br/><br/><label>Dewey Class. No.: </label>Fil 001.42 A3b