Trecker, Harleigh <br/><br/>
How to work with groups 
by Harleigh B. Trecker and Audrey R. Trecker 
 - New York  Whiteside  1952 
 - 167p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social group work<br/>Association and associations
<br/><br/><label>Dewey Class. No.: </label>Q25 T713