United Nations <br/><br/>
International exchange of social welfare personnel   
  

 - 
 - New York  Author  1949 
 - Ix, 112; Tables 22.8 cms (technical assistace for soc progress no.1) 
<br/><br/> B   
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>334.000136 uni