Thelen, Herbert Arnold, 1913-  Thelen, Herbert Arnold, 1913- <br/><br/>
Dynamics of groups at work. 

 - Chicago,  University of Chicago Press  [1954] 
<br/><br/><label>LCCN: </label>54011600 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social group work.
<br/><br/><label>LC Class. No.: </label>HV45  / .T47 
<br/><br/><label>Dewey Class. No.: </label>361.4*