Creswell, John W. <br/><br/>
Research design : Qualitative, quantitative and mixed methods approach 
/ John W. Creswell 
 - 3rd ed. 
 - London :  2002 
 - 260 p. 
<br/><br/>1.Preliminary considerations                   2.Designing research 
<br/><br/><label>ISBN: </label>9781412965576 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-Research
<br/><br/><label>Dewey Class. No.: </label>300.72  / C865