Wiersma, William. <br/><br/>
Research methods in education :  an introduction / 
William Wiersma. 
 - 4th ed. 
 - Boston :  Allyn and Bacon,  c1986. 
 - xiv, 466 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0205087477  
<br/><br/><label>LCCN: </label>85028709  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>LC Class. No.: </label>LB1028  / .W517 1986