Rubin, Allen <br/><br/>
Research methods for social work / 
Allen Rubin, Earl Babbie. 
 - Belmont, Calif :  Wadsworth,  c1989. 
 - xxxi, 507, 112, [23] p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. B1-B6 
<br/><br/><label>ISBN: </label>0534100562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service--Research--Methodology