Creswell, John W. <br/><br/>
Research design :  qualitative & quantitative approaches / 
John W. Creswell. 
 - London :  Sage Publications,  c1994. 
 - xix, 227 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 209-216) and indexes. 
<br/><br/><label>ISBN: </label>0803952546 0803952554 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research methodology
<br/><br/><label>Dewey Class. No.: </label>300.721  / CRR 1994