00948nam--2200349---450-99000217338020331620081210114248.0000217338USA01000217338(ALEPH)000217338USA0100021733820041115d1972----km-y0itay0103----baengGB||||||||001yySystems analysis in businessJohn GrahamLondonAllen And Unwin1972209 p.23 cm20012001001-------2001658.4GRAHAM,John367593ITsalbcISBD990002173380203316658.4 GRA 1 (IRA 2 133)14046 E.C.IRA 200009561BKECOSIAV71020041115USA011529RSIAV19020081210USA011142Systems analysis in business1038323UNISA