Pooling skills for human progress :    the why, what and how of Unit ed Nations technical assistance. 

 - 4th rev. ed. 
 - New York :    United Nations,    1953. 
 - 33 p. :    ill. ;    20 cm. 
<br/><br/>  "United Nations publications. 1953. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> United Nations -- Technical assistance.