00776nam0 22002771i 450 99000729423040332120200514114453.0000729423FED01000729423(Aleph)000729423FED0100072942320021010d1969----km-y0itay50------baitaElementary mathematical economicsby S. G. B. HenryLondonRoutledge & Kegan Paul1969X, 111 p.19 cmStudents library of economicsHenry,Samuel G. B.494011ITUNINARICAUNIMARCBK990007294230403321XV I 8s.i.DTEDTEElementary mathematical economics47859UNINAGEN01