Creswell, John W. <br/><br/>
Research design  qualitative, quantitative, and mixed method approaches 
John W. Creswell. 
 - 3. ed. 
 - California  SAGE  2009. 
 - 260 p.  26 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9781412965576 
<br/><br/><label>Nat. Bib. No.: </label>GBA2-W0726 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social services--Research--Methodology.<br/>Social sciences--Statistical methods.
<br/><br/><label>Dewey Class. No.: </label>300.72  / C923r3