Mathematics for business and social sciences : an applied approach / Abe Mizrahi, Michael Sullivan. Mizrahi, Abe. Sullivan, Michael, 1942- joint author. Business mathematics. Business mathematics Problems, exercises, etc. HF5691 .M59 1979 510 MIM Includes bibliographies and index. New York : Wiley, c1979. c1979. 1979 Text xvii, 797 p. : eng