Posavac, Emil J. <br/><br/>
Program evaluation :  methods and case studies / 
Emil J. Posavac, Raymond G. Carey. 
 - 6th ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  2003. 
 - xviii, 344 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 301-325) and indexes. 
<br/><br/><label>ISBN: </label>0130409669  RM246.55 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)--United States.