Ingram,Helen M. <br/><br/>
Why Policies Succeed or Fail 
/ by Helen M. Ingram 
 - London:  Sage Publications,  1980 
 - 312p. 
<br/><br/><label>ISBN: </label>0803914172 
<br/><br/><label>Dewey Class. No.: </label>309  / ING/W