Johnson, R. Burke  <br/><br/>
Educational research   : quantitative, qualitative, and mixed approaches  
R. Burke Johnson and Larry Christensen  (jt. auth.) 
 - 5th ed.  
 - Los Angeles:   SAGE,   2014. 
 - xxviii, 712p.  
<br/><br/><label>ISBN: </label>9781452244402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-Research 
<br/><br/><label>Dewey Class. No.: </label>370.72  / JOE