Creswell, John W. <br/><br/>
Research design  qualitative, quantitative, and mixed methods approaches  
by John W. Creswell. 
 - 3rd ed. 
 - New Delhi  SAGE Publications  c2009 
 - xxix, 260 p. ; 26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788132107484 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology.; Social sciences--Statistical methods.; Project- economics
<br/><br/><label>Dewey Class. No.: </label>300.72  / CRE/R