GULEZIAN, R. (1983). Business Mathematics For College Students Ronlad Gulezian And Henry Tingey. John Wiley & Sons.
Chicago-referens (17:e uppl.)GULEZIAN, Ronald. Business Mathematics For College Students Ronlad Gulezian And Henry Tingey. John Wiley & Sons, 1983.
MLA-referens (8:e uppl.)GULEZIAN, Ronald. Business Mathematics For College Students Ronlad Gulezian And Henry Tingey. John Wiley & Sons, 1983.
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