Okun, Barbara F. <br/><br/>
Effective helping : 

 - 3rd ed. 
 - Monterey, Calif. :  Brooks/Cole Pub. Co.,  1987. 
 - x, 293 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0534065880 (pbk.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Counseling.<br/>Helping behavior.
<br/><br/><label>LC Class. No.: </label>MED. BF637.  / C6054