Activities of OECD : report by the secretary general. - Paris : Organisation for Economic Co-operation and Development (OECD) , 175 - 106p. : ill. ; 24 cm. - 1970; 1974; 1975 . Subjects--Topical Terms: International economicsInternational organizationsEconomic development Dewey Class. No.: 382 / OECD 3