Combs, Arthur W. <br/><br/>
Helping relationships :  basic concepts for the helping professions / 
Arthur W. Combs, Donald L. Avila, William W. Purkey. 
 - 2nd ed. 
 - Boston :  Allyn and Bacon,  1978. 
 - 262 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0020505957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Counseling.<br/>Helping behavior.