Ary, Donald, <br/><br/>
Introduction to research in education / 
Donald Ary (, Lucy Cheser Jacobs , Christine K. Sorensen Irvine, David A. Walker. 
 - Tenth edition ; student edition. 
 - xiv, 588 pages :  illustrations (some color) ;  29 cm. 
<br/><br/> Previous edition: 2014 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781337566001  RM636.84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.