FESTINGER (L); KATZ (D) <br/><br/>
Research Methods in Behavioral Changes 

 -  1970  Amerind Publication Ltd. 
 - 1-658  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>9f:(T)  L0;8