Approaches to social research / 
Royce Singleton.....[ et al. ]. 
 -  Oxford University Press  1988. 
<br/><br/>4655 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - Research.<br/>Social sciences - Methodology.
<br/><br/><label>LC Class. No.: </label>H62  / App.