Creswell, John W. <br/><br/>
Research design :   qualitative, quantitative, and mixed methods approaches 
/ John W. Creswell 
 - 4th ed.    [international student edition] 
 - Los Angeles, CA:  Sage Publications,   2014 
 - xxv, 275 p.:   ill.;  24cm. 
<br/><br/>Includes references and index 
<br/><br/><label>ISBN: </label>9781452226095  Tzs 64,039/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology | Social sciences--Statistical methods |Social service--Research--Methodology Mixed methods approaches
<br/><br/><label>Dewey Class. No.: </label>300.721 CRE