Bulmer Martin Ed. <br/><br/>
Sociological research methods: An introduction 

 - London  Macmillan           1977 
 - xii, 363p.  cm. 
<br/><br/><label>Standard No.: </label>19205 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y:f, L7