Funnell, S.C <br/><br/>
Purposeful program theory:  effective use of theories of the change and logic models/ 
Sue C. Funnell 
 - Sun Fransisco.:  Jossey-Bass,;  2011 
 - xxvi, .550p.:  ill.;  22 cm. 
<br/><br/> includes references and index 
<br/><br/><label>ISBN: </label>9780478578 
<br/><br/><label>LC Class. No.: </label>DUCE H62.F855