Johnson, Burke <br/><br/>
Educational research :  quantitative, qualitative, and mixed approaches / 
R. Burke Johnson, Larry Christensen 
 - 5th ed. 
 - Los Angeles :  SAGE,  c2014 
 - xxviii, 712 p. :  ill. ;  26 cm 
<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  / J66E