Creswell, John W. <br/><br/>
Educational research: planning, conducting and evaluating quantitative and qualitative research (4th ed) 
John W. Creswell 
 - 4th ed  Pearson new international edition 
 - Essex:  Pearson,  2014. 
 - 670 p. :  ill. ;  28 cm.  
<br/><br/>Include bibliographical reference and index.  
<br/><br/><label>ISBN: </label>9781292021126 
<br/><br/><label>Subjects--Topical Terms: </label>--Education research methodology
<br/><br/><label>LC Class. No.: </label>LB1028   / .C92 2014