Engel, Rafael J. <br/><br/>
The practice of research in social work / 
Rafael J. Engel, Russell K. Schutt 
 - 2nd ed. 
 - Los Angeles :  SAGE,  2009 
 - xxii, 583 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9781412968911  RM220.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service--Research