Engel, Rafael J. <br/><br/>
Practice of research in social work 
by Rafael J. Engel and Russell K. Schutt 
 - 2nd ed. 
 - London  Sage  2009 
 - 583p. 
<br/><br/><label>ISBN: </label>9781412968911 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research-Social work
<br/><br/><label>Dewey Class. No.: </label>Q23 En32