Lewis-beck Michael S Ed. <br/><br/>
Research practice. 

 - London  SAGE Publications        1994 
 - x,406p  cm. 
<br/><br/><label>Standard No.: </label>33051 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Sigma:f, N4