00723cam|a2200157 i 450000500170000000800410001703500150005811100730007324501580014626000360030430000110034065000790035170000290043071000500045971000560050920260818223809.0130501s1979    enk     r    0100|0 eng d  a.b106620422 aIFAC Conference on Systems Approach for Developmentd(1977 :cCairo)10aSystems approach for development :bproceedings of the IFAC Conference, Cairo, Arab Republic of Egypt, 26-29 November 1977 /cedited by M. A. R. Ghonaimy  aOxford :bPergamon Press,c1979  a649 p.10aUnderdeveloped areasxEconomic conditionsxMathematical modelsxCongresses10aGhonaimy, M. A. R.,eed.20aInternational Federation of Automatic Control20aGeneral Organization for Industrialization in Cairo