00770cam a2200253 i 4500 1749281 BD-DhUL 20170423103506.0 750811s1967 enk cf b 011 0 eng d 75321339 GB74-28685 0333149769 DLC DLC DLC BD-DhUL HD82 .E282 1974 330.9 UNC United Nations. Economic development and planning : world Economic survey 1966-part Two / New York : United Nations, 1967. 45 p ; : 23 cm. Economic development Mathematical models. Economic policy Mathematical models. 7 cbc orignew 3 ncip 19 y-gencatlg ddc REF 190761 190761 0 0 ddc 0 330_900000000000000_UNC 1 REF 327256 DUL DUL UNC 2017-04-23 Gift 330.9 UNC D4871 2017-04-23 2017-04-23 REF