Festinger, Leon <br/><br/>
Research methods in the behavioral sciences 
edited by Leon Festinger and Daniel Katz ; contributing authors : Robert C. Angell and others. 
 - New York  Dryden Press  1953 
 - xi, 660 p.  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Methodology.