Creswell, John W. <br/><br/>
Educational research :  planning, conducting, and evaluating quantitative and qualitative research / 
John W. Creswell 
 - 3rd ed. 
 - New Jersey :  Pearson/Merrill Prentice Hall,  2008 
 - xvii, 670 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>9780132073080 (International Edition) 0132073080  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research--Methodology