Ardales, Venancio B. <br/><br/>
Basic concepts and methods in research/ 
Venancio B. Ardales. 
 - 3rd edition. 
 - Manila:  Educational Publishing House,  c2008. 
 - 415 pages;  23 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>978-971-513-245-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research.<br/>Research--Methods.
<br/><br/><label>Dewey Class. No.: </label>DFil 001.42  / Ar2b