Patton, Michael Quinn <br/><br/>
Practical Evaluation 

 - London:  Sage pub.,  1982. 
 - 319p.;  22cm 
<br/><br/><label>ISBN: </label>0-8039-1904-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Descriptive Method
<br/><br/><label>Dewey Class. No.: </label>001.433  / PAT