Methodology in social research 
edited by:Blalock, Humbert M.

 - New York  McGraw-Hill  1968 
 - 493p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - Research<br/>Social sciences - Methodology
<br/><br/><label>Dewey Class. No.: </label>300.1 MET;