Robert R. Carkhuff <br/><br/>
The art of helping 

 - 9th ed. 
 - Ottawa  : Possibilities Publishing Inc,  2009. 
 - xxiv,312p.  : ill.  ; 22cm. 
<br/><br/>Includes bibliographical references and Index 
<br/><br/><label>ISBN: </label>978- 1 - 59996 -1 79 -8 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>BF637.H4.C37