Frederick J. Gravetter <br/><br/>
Understanding research methods for the behavioral sciences 

 - Philippine Ed. 
 - Australia  Cengage Learning  2010 
 - 568 pages; 23 cm. 
<br/><br/> includes index. 
<br/><br/><label>ISBN: </label>9789814314572 
<br/><br/><label>Dewey Class. No.: </label>GR/001.4/G78/2010