Creswell, John W. <br/><br/>
Research design : qualitative & quantitative approaches 

 - Thousand Oaks, Calif. :  Sage,  1994 
 - 228 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCES--RESEARCH--METHODOLOGY<br/>SOCIAL SCIENCES--STATISTICAL METHODS
<br/><br/><label>LC Class. No.: </label>H62  / C737R