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An introduction to mathematics for students of economics.

By Lewis, J. Parry (John Parry), 1927-. London ; New York : Macmillan, 1961 , Reprint of 1965.

By Lewis, J. Parry (John Parry), 1927-. London, New York, Macmillan; St. Martin's Press, 1965

By Lewis, J. Parry (John Parry), 1927-. [London] : Macmillan, 1972 , First ed. 1959.