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

 - Quezon City :  Great Books Trading,  c1992. 
 - iv, 155 p. :  ill. ;  22 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methods.