Ary, Donald. <br/><br/>
Introduction to research in education / 
Donald Ary, Lucy Cheser Jacobs, Asghar Razavieh. 
 - Fourth edition. 
 - 536 pages :  illustrations ;  21cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0030324629 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>LC Class. No.: </label>LB1028 ARY