Planning the external sector :    techniques, problems and policies :    report on the first interregional seminar on development planning /  
United Nations Development Programme, International Trade Centre. 
 - New York :    United Nations,    1967. 
 - iv, 265 p. ;    28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> International trade.<br/> Foreign trade promotion.