Johnson, R. Burke  <br/><br/>
Educational research :   quantitative, qualitative, and mixed approaches / 
R. Burke Johnson and Larry B. Christensen.  
 - Sixth edition. International student edition. 
 - Thousand Oaks, California :  SAGE Publications,   ©2017. 
 - xxix, 709 pages :  Illustrations ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781506386591 (Paperback)  USD 52.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education.<br/>Education --Research.
<br/><br/><label>LC Class. No.: </label>LB1028 JOH