Orientation course in mechanized data processing:   held in Ottawa, October 1965/ 
United Natoins 
 - New York :  UN ,  1966 
 - xiv, 129p.:  ills.;  23 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data collecting
<br/><br/><label>Dewey Class. No.: </label>311.22  / UN