Johnson, Burke. <br/><br/>
Educational research :  quantitative, qualitative, and mixed approaches / 
Burke Johnson, Larry Christensen. 
 - 3rd ed. 
 - Los Angeles :  Sage Publications,  c2008. 
 - xxiv, 639 p. :  ill. (some col ;  27 cm. 
<br/><br/>Includes bibliographical references (p. 607-625) and index. 
<br/><br/><label>ISBN: </label>9781412954563 (cloth) 1412954568 (cloth) 
<br/><br/><label>LCCN: </label>2007031739 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>Dewey Class. No.: </label>370.7/2