Trecker Harleigh B. <br/><br/>
Social group work : principles and practices 

 - New York  Woman's Press  1949 
 - ix,246p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Y0XM25:8
<br/><br/><label>Dewey Class. No.: </label>Y0XM25:8  / H9