Linfield J.K. <br/><br/>
Program evaluation:  methods and case studies/ 
Kenneth J. Linfield and Emil J. Posavac 
 - 9th. 
 - London.:  Rourlege.;  2018 
 - xvi, 333p.:  ill.;  22 cm. 
<br/><br/> Includes references ,subject author and subject index 
<br/><br/><label>ISBN: </label>9781138103962 
<br/><br/><label>LC Class. No.: </label>DUCE H62.5.U5