Creswell,John W. <br/><br/>
Research design :   Qualitative,quantitative and mixed methods approach 
/ Creswell,John W. 
 - 3rd ed. 
 - London  Sage Publications  2009 
 - 260 p 
<br/><br/> 1.Preliminary considerations                   2.Designing research 
<br/><br/><label>ISBN: </label>9781412965569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-Research
<br/><br/><label>Dewey Class. No.: </label>300.72  / C865