Aiding underdeveloped countries through international economic co-op eration / G. Van der Veen. - Delft : Naamloze Vennootschap, [1954] - 200 p. ; 25 cm. Bibliography: p. 193-199. Subjects--Topical Terms: Technical assistance-- Developing countries. Economic assistance-- Developing countries. International economic relations-- Developing countries. Subjects--Geographic Terms: Developing countries. Dewey Class. No.: 338.91