Research methods for public administrators 
Elizabethann O'Sullivan. 
 - 4th edition. 
 -  Addison Wesley Longman.  2003 
 - xiv, 498 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-321-08558-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public administration -- Research -- Methodology.
<br/><br/><label>Dewey Class. No.: </label>GS 351.072 O85 2003