Toseland, Ronald W  <br/><br/>
Introduction to group work parctice 
by Ronald W Toseland 
 - Boston   Pearson Education USA     2009 
 - 537 p. 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Robert F RIVIAS