Trecker, Harieigh B <br/><br/>
Social group work  principles and practices 

 -  Association Press  1972 
 - 350 p.  24 cm.  HB 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Social Science
<br/><br/><label>Dewey Class. No.: </label>361.4  / TRE