HUGHES, A. J. (1983). Applied Mathematics For Business Economics And Social Sciecnce Ann J. Hughes. Richard D. Irwin,Inc.
Chicago-viite (17. p.)HUGHES, Ann J. Applied Mathematics For Business Economics And Social Sciecnce Ann J. Hughes. Richard D. Irwin,Inc, 1983.
MLA-viite (8. p.)HUGHES, Ann J. Applied Mathematics For Business Economics And Social Sciecnce Ann J. Hughes. Richard D. Irwin,Inc, 1983.
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