00458nam a2200133Ia 4500008004100000040001700041082002200058110001900080245002300099260003500122300001600157500010000173650005100273190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta338.9bU58L  aUnited Nations 0aLong-term planning  aNew YorkbUnited Nationsc1971  aviii, 206p.  aPapers presented to the seventh meeting of senior economic advisers to ECE government-E/ECE/780  aEconomic policy; Economic development projects