00868nam0-2200277---450-99000977362040332120131014184554.0000977362FED01000977362(Aleph)000977362FED0100097736220131014d1967----km-y0itay50------baengUN--------001yyPlanning the external sector: techniques, problems and policiesreport on the first interregional seminar on development planningUnited NationsNew YorkUnited Nations1967265 p.28 cmNazioni Unite341045ITUNINARICAUNIMARCBK990009773620403321ISVE O1.51DECTSDECTSPlanning the external sector: techniques, problems and policies832352UNINA