Lyon, William,  1927- <br/><br/>
An introduction to human services / 
William Lyon ; with, Bill J. Duke. 
 - Reston, Va. :  Reston Publishing,  1981. 
 - 267 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0835932168 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service.