O'Sullivan Elizabethann. <br/><br/>
Research methods for public administrators / 
O'Sullivan, Elizabethann, Gary R. Rassel, Maureen Berner. 
 - 5th ed. (Int. ed.) 
 - New York :  Pearson/Longman,  c2010. 
 - xii, 500 p. :  ill. ;  24 cm. +  CD-Rom. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780321628374 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public administration -- Research -- Methodology.