Wilson, Stephen <br/><br/>
Informal groups  : an introduction 

 - New Jersey  ; Prentice-Hall  , 1978 
 - xiii.305p. 
<br/><br/><label>ISBN: </label>0134646363   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group Of People<br/>Informal Groups<br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>305  / WIL