Creswell, John W. <br/><br/>
Educational research : planning, conducting and evaluating quentitative and qualitative research 

 - England :  Pearson,  2014. 
 - 671p.;  28cm 
<br/><br/><label>ISBN: </label>978-1-29202-112-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational Research
<br/><br/><label>Dewey Class. No.: </label>370.78  / CRE