Walliman, Nicholas <br/><br/>
Social Research Methods / 
by Nicholas Walliman 
 - London:  Sage Publications,  2006 
 - p.224 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Social sciences <br/>Social sciences, sociology & anthropology<br/> Social sciences Education And Research<br/> Social sciences--research
<br/><br/><label>Dewey Class. No.: </label>300.72  / WAL-S