Ary, Donald. <br/><br/>
Introduction to research in education / 
Donald Ary, Lucy Cheser Jacobs, Asghar Razavieh. 
 - 6th ed. 
 - xxvi, 582 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534246656 0534246826 
<br/><br/><label>LCCN: </label>2001033156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>LC Class. No.: </label>LB1028  / .A7 2002 
<br/><br/><label>Dewey Class. No.: </label>370.72/  / ARY