Yin, Robert K, <br/><br/>
Evaluating policy studies by using the case survey methods / 
Robert K. Yin, Karen A. Heald   
 - 20 pages ;  28 cm. 
 - The Rand paper series;  P-5349 .
 - The Rand paper series;  P-5349  .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy sciences<br/>Bibliography --Methodology